diff --git a/CHANGELOG.md b/CHANGELOG.md
index f81fd37..534695b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # 3.0.5
 
+## Security
+
+- Remove hasbin dependency
+
 ## Features
 
 - Add ability to provide function to execute when calling sls wsgi command
diff --git a/index.js b/index.js
index 872c75f..309ad9d 100644
--- a/index.js
+++ b/index.js
@@ -5,7 +5,7 @@ const _ = require("lodash");
 const path = require("path");
 const fse = BbPromise.promisifyAll(require("fs-extra"));
 const child_process = require("child_process");
-const hasbin = require("hasbin");
+const commandExists = require("command-exists");
 const overrideStdoutWrite = require("process-utils/override-stdout-write");
 
 class ServerlessWSGI {
@@ -137,7 +137,7 @@ class ServerlessWSGI {
       }
 
       if (this.serverless.service.provider.runtime) {
-        if (hasbin.sync(this.serverless.service.provider.runtime)) {
+        if (commandExists.sync(this.serverless.service.provider.runtime)) {
           this.serverless.cli.log(
             `Using Python specified in "runtime": ${this.serverless.service.provider.runtime}`
           );
@@ -282,7 +282,7 @@ class ServerlessWSGI {
             if (linkConflict) {
               return reject(
                 `Unable to link dependency '${file}' ` +
-                  "because a file by the same name exists in this service"
+                "because a file by the same name exists in this service"
               );
             }
           }
@@ -498,7 +498,7 @@ class ServerlessWSGI {
     // remotely, we get a string back and we want it to appear in the console as it would have
     // if it was invoked locally.
     //
-    // We capture stdout output in order to parse the array returned from the lambda invocation, 
+    // We capture stdout output in order to parse the array returned from the lambda invocation,
     // then restore stdout.
     let output = "";
 
diff --git a/index.test.js b/index.test.js
index b265887..9e89e97 100644
--- a/index.test.js
+++ b/index.test.js
@@ -7,7 +7,7 @@ const Plugin = require("./index");
 const child_process = require("child_process");
 const path = require("path");
 const fse = require("fs-extra");
-const hasbin = require("hasbin");
+const commandExists = require("command-exists");
 const BbPromise = require("bluebird");
 
 const chaiAsPromised = require("chai-as-promised");
@@ -70,13 +70,13 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var procStub = sandbox.stub(child_process, "spawnSync");
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(copyStub.called).to.be.false;
           expect(writeStub.called).to.be.false;
           expect(procStub.called).to.be.false;
@@ -100,7 +100,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var procStub = sandbox
@@ -108,7 +108,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(
             copyStub.calledWith(
               path.resolve(__dirname, "wsgi_handler.py"),
@@ -163,13 +163,13 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(child_process, "spawnSync").returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(writeStub.calledWith("/tmp/.serverless-wsgi")).to.be.true;
           expect(JSON.parse(writeStub.lastCall.args[1])).to.deep.equal({
             app: "api.app",
@@ -199,7 +199,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(false);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(false);
       sandbox.stub(fse, "copyAsync");
       sandbox.stub(fse, "writeFileAsync");
       var procStub = sandbox
@@ -207,7 +207,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python3.6")).to.be.true;
+          expect(commandExistsStub.calledWith("python3.6")).to.be.true;
           expect(
             procStub.calledWith("python", [
               path.resolve(__dirname, "requirements.py"),
@@ -266,7 +266,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var symlinkStub = sandbox.stub(fse, "symlinkSync");
@@ -277,7 +277,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(
             copyStub.calledWith(
               path.resolve(__dirname, "wsgi_handler.py"),
@@ -337,7 +337,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var symlinkStub = sandbox.stub(fse, "symlinkSync");
@@ -348,7 +348,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(
             copyStub.calledWith(
               path.resolve(__dirname, "wsgi_handler.py"),
@@ -407,7 +407,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var symlinkStub = sandbox.stub(fse, "symlinkSync");
@@ -418,7 +418,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(copyStub.called).to.be.true;
           expect(writeStub.called).to.be.true;
           expect(symlinkStub.called).to.be.true;
@@ -462,7 +462,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var symlinkStub = sandbox.stub(fse, "symlinkSync");
@@ -473,7 +473,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.called).to.be.false;
+          expect(commandExistsStub.called).to.be.false;
           expect(copyStub.called).to.be.true;
           expect(writeStub.called).to.be.true;
           expect(symlinkStub.called).to.be.true;
@@ -559,7 +559,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      sandbox.stub(hasbin, "sync").returns(true);
+      sandbox.stub(commandExists, "sync").returns(true);
       sandbox.stub(fse, "copyAsync");
       sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(fse, "symlinkSync").throws();
@@ -586,7 +586,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      sandbox.stub(hasbin, "sync").returns(true);
+      sandbox.stub(commandExists, "sync").returns(true);
       sandbox.stub(fse, "copyAsync");
       sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(fse, "symlinkSync").throws();
@@ -613,7 +613,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(fse, "symlinkSync").throws();
@@ -625,7 +625,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(copyStub.called).to.be.false;
           expect(writeStub.called).to.be.false;
           expect(
@@ -655,7 +655,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(fse, "symlinkSync").throws();
@@ -667,7 +667,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python3.6")).to.be.true;
+          expect(commandExistsStub.calledWith("python3.6")).to.be.true;
           expect(copyStub.called).to.be.false;
           expect(writeStub.called).to.be.false;
           expect(
@@ -696,7 +696,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(fse, "existsSync").returns(false);
@@ -705,7 +705,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(copyStub.called).to.be.false;
           expect(writeStub.called).to.be.false;
           expect(procStub.called).to.be.false;
@@ -732,7 +732,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      sandbox.stub(hasbin, "sync").returns(true);
+      sandbox.stub(commandExists, "sync").returns(true);
       sandbox.stub(fse, "existsSync").returns(true);
       sandbox.stub(child_process, "spawnSync").returns({ status: 1 });
 
@@ -755,7 +755,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      sandbox.stub(hasbin, "sync").returns(true);
+      sandbox.stub(commandExists, "sync").returns(true);
       sandbox.stub(fse, "existsSync").returns(true);
       sandbox
         .stub(child_process, "spawnSync")
@@ -780,7 +780,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      sandbox.stub(hasbin, "sync").returns(true);
+      sandbox.stub(commandExists, "sync").returns(true);
       sandbox.stub(fse, "existsSync").returns(true);
       sandbox
         .stub(child_process, "spawnSync")
@@ -808,7 +808,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var existsStub = sandbox.stub(fse, "existsSync").returns(true);
@@ -817,7 +817,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(copyStub.called).to.be.true;
           expect(writeStub.called).to.be.true;
           expect(existsStub.called).to.be.false;
@@ -873,7 +873,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var existsStub = sandbox.stub(fse, "existsSync").returns(true);
@@ -882,7 +882,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:package:createDeploymentArtifacts"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(copyStub.called).to.be.true;
           expect(writeStub.called).to.be.true;
           expect(existsStub.called).to.be.false;
@@ -916,7 +916,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       var procStub = sandbox
@@ -924,7 +924,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:deploy:function:packageFunction"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(copyStub.called).to.be.false;
           expect(writeStub.called).to.be.false;
           expect(procStub.called).to.be.true;
@@ -952,7 +952,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(fse, "readdirSync").returns([]);
@@ -962,7 +962,7 @@ describe("serverless-wsgi", () => {
         .returns({ status: 0 });
       return plugin.hooks["before:deploy:function:packageFunction"]().then(
         () => {
-          expect(hasbinStub.calledWith("python2.7")).to.be.true;
+          expect(commandExistsStub.calledWith("python2.7")).to.be.true;
           expect(
             copyStub.calledWith(
               path.resolve(__dirname, "wsgi_handler.py"),
@@ -1058,10 +1058,10 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox.stub(child_process, "spawnSync").returns({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1094,14 +1094,14 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox
         .stub(child_process, "spawnSync")
         .returns({ error: "Something failed" });
       return expect(
         plugin.hooks["wsgi:serve:serve"]()
       ).to.eventually.be.rejected.and.notify(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1134,14 +1134,14 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox
         .stub(child_process, "spawnSync")
         .returns({ error: { code: "ENOENT" } });
       return expect(
         plugin.hooks["wsgi:serve:serve"]()
       ).to.eventually.be.rejected.and.notify(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1174,10 +1174,10 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox.stub(child_process, "spawnSync").returns({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1210,10 +1210,10 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox.stub(child_process, "spawnSync").returns({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1246,10 +1246,10 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox.stub(child_process, "spawnSync").returns({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1283,10 +1283,10 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox.stub(child_process, "spawnSync").returns({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1321,10 +1321,10 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox.stub(child_process, "spawnSync").returns({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1372,7 +1372,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      sandbox.stub(hasbin, "sync").returns(true);
+      sandbox.stub(commandExists, "sync").returns(true);
       sandbox.stub(child_process, "spawnSync").returns({});
       sandbox.stub(process, "env").value({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
@@ -1403,10 +1403,10 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var procStub = sandbox.stub(child_process, "spawnSync").returns({});
       return plugin.hooks["wsgi:serve:serve"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           procStub.calledWith(
             "python2.7",
@@ -1441,7 +1441,7 @@ describe("serverless-wsgi", () => {
       );
 
       var sandbox = sinon.createSandbox();
-      var hasbinStub = sandbox.stub(hasbin, "sync").returns(true);
+      var commandExistsStub = sandbox.stub(commandExists, "sync").returns(true);
       var copyStub = sandbox.stub(fse, "copyAsync");
       var writeStub = sandbox.stub(fse, "writeFileAsync");
       sandbox.stub(fse, "readdirSync").returns([]);
@@ -1450,7 +1450,7 @@ describe("serverless-wsgi", () => {
         .stub(child_process, "spawnSync")
         .returns({ status: 0 });
       return plugin.hooks["wsgi:install:install"]().then(() => {
-        expect(hasbinStub.calledWith("python2.7")).to.be.true;
+        expect(commandExistsStub.calledWith("python2.7")).to.be.true;
         expect(
           copyStub.calledWith(
             path.resolve(__dirname, "wsgi_handler.py"),
diff --git a/package-lock.json b/package-lock.json
index 5bd7e18..8ee0074 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,8 +10,8 @@
       "license": "MIT",
       "dependencies": {
         "bluebird": "^3.7.2",
-        "fs-extra": "^11.1.1",
-        "hasbin": "^1.2.3",
+        "command-exists": "^1.2.9",
+        "fs-extra": "^11.2.0",
         "lodash": "^4.17.21",
         "process-utils": "^4.0.0"
       },
@@ -321,7 +321,8 @@
     "node_modules/async": {
       "version": "1.5.2",
       "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha512-nSVgobk4rv61R9PUSDtYt7mPVB2olxNR5RWJcAsH676/ef11bUZwvu7+RGYrYauVdDPcO519v68wRhXQtxsV9w=="
+      "integrity": "sha512-nSVgobk4rv61R9PUSDtYt7mPVB2olxNR5RWJcAsH676/ef11bUZwvu7+RGYrYauVdDPcO519v68wRhXQtxsV9w==",
+      "dev": true
     },
     "node_modules/balanced-match": {
       "version": "1.0.2",
@@ -518,6 +519,11 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "dev": true
     },
+    "node_modules/command-exists": {
+      "version": "1.2.9",
+      "resolved": "https://registry.npmjs.org/command-exists/-/command-exists-1.2.9.tgz",
+      "integrity": "sha512-LTQ/SGc+s0Xc0Fu5WaKnR0YiygZkm9eKFvyS+fRsU7/ZWFF8ykFM6Pc9aCVf1+xasOOZpO3BAVgVrKvsqKHV7w=="
+    },
     "node_modules/concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -1068,9 +1074,9 @@
       "dev": true
     },
     "node_modules/fs-extra": {
-      "version": "11.1.1",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.1.1.tgz",
-      "integrity": "sha512-MGIE4HOvQCeUCzmlHs0vXpih4ysz4wg9qiSAu6cd42lVwPbTM1TjV7RusoyQqMmk/95gdQZX72u+YW+c3eEpFQ==",
+      "version": "11.2.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.2.0.tgz",
+      "integrity": "sha512-PmDi3uwK5nFuXh7XDTlVnS17xJS7vW36is2+w3xcv8SVxiB4NyATf4ctkVY5bkSjX0Y4nbvZCq1/EjtEyr9ktw==",
       "dependencies": {
         "graceful-fs": "^4.2.0",
         "jsonfile": "^6.0.1",
@@ -1228,17 +1234,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/hasbin": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/hasbin/-/hasbin-1.2.3.tgz",
-      "integrity": "sha512-CCd8e/w2w28G8DyZvKgiHnQJ/5XXDz6qiUHnthvtag/6T5acUeN5lqq+HMoBqcmgWueWDhiCplrw0Kb1zDACRg==",
-      "dependencies": {
-        "async": "~1.5"
-      },
-      "engines": {
-        "node": ">=0.10"
-      }
-    },
     "node_modules/he": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
diff --git a/package.json b/package.json
index cdb60ad..992b7c7 100644
--- a/package.json
+++ b/package.json
@@ -56,8 +56,8 @@
   },
   "dependencies": {
     "bluebird": "^3.7.2",
-    "fs-extra": "^11.1.1",
-    "hasbin": "^1.2.3",
+    "command-exists": "^1.2.9",
+    "fs-extra": "^11.2.0",
     "lodash": "^4.17.21",
     "process-utils": "^4.0.0"
   },