diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9e8e843..19e31d0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        node: [ 16 ]
+        node: [ 20 ]
 
     steps:
       - name: Checkout 🔔
@@ -28,7 +28,7 @@ jobs:
         run: npm install
 
       - name: Compile Typescript 📝
-        run: npm run tsc
+        run: npm run tsc && npm run commonjs/tsc
 
       - name: Run unit tests 🛠
         run: npm run test
diff --git a/commonjs/tsconfig.json b/commonjs/tsconfig.json
new file mode 100644
index 0000000..c997d92
--- /dev/null
+++ b/commonjs/tsconfig.json
@@ -0,0 +1,10 @@
+{
+    "compilerOptions": {
+        "target": "es2019",
+        "module": "commonjs",
+        "strict": true,
+        "moduleResolution": "node"
+    },
+    "include": ["../ClassGroup.d.ts"],
+    "exclude": ["node_modules", "**/__tests__/*"],
+}
diff --git a/package-lock.json b/package-lock.json
index e4625ac..1950ee1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,12 @@
 {
   "name": "classgroup",
-  "version": "1.2.1",
+  "version": "1.2.3",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "1.2.1",
+      "name": "classgroup",
+      "version": "1.2.3",
       "license": "MIT",
       "devDependencies": {
         "@babel/core": "^7.15.5",
diff --git a/package.json b/package.json
index a65865b..97ec91c 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "lint": "tslint -p tsconfig.json",
     "test": "jest",
     "tsc": "node_modules/.bin/tsc",
+    "commonjs/tsc": "node_modules/.bin/tsc commonjs/index.ts",
     "release": "semantic-release --branches main"
   },
   "keywords": [
diff --git a/tsconfig.json b/tsconfig.json
index d3e8406..8154867 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,6 +5,6 @@
         "strict": true,
         "moduleResolution": "node"
     },
-    "include": ["./esm", "./commonjs", "ClassGroup.d.ts"],
+    "include": ["./esm", "ClassGroup.d.ts"],
     "exclude": ["node_modules", "**/__tests__/*"],
 }