diff --git a/bin/pa11y.js b/bin/pa11y.js
index 4a7e165d..0cd7674b 100755
--- a/bin/pa11y.js
+++ b/bin/pa11y.js
@@ -104,6 +104,7 @@ function configureProgram() {
 			collectOptions,
 			[]
 		)
+		.allowExcessArguments()
 		.parse(process.argv);
 	program.url = program.args[0];
 }
diff --git a/package-lock.json b/package-lock.json
index eeb68298..73256a13 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "axe-core": "^4.10.2",
         "bfj": "^9.1.1",
-        "commander": "^12.1.0",
+        "commander": "^13.0.0",
         "envinfo": "^7.14.0",
         "html_codesniffer": "^2.5.1",
         "kleur": "^4.1.5",
@@ -934,9 +934,9 @@
       "license": "MIT"
     },
     "node_modules/commander": {
-      "version": "12.1.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-12.1.0.tgz",
-      "integrity": "sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA==",
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-13.0.0.tgz",
+      "integrity": "sha512-oPYleIY8wmTVzkvQq10AEok6YcTC4sRUBl8F9gVuwchGVUCTbl/vhLTaQqutuuySYOsu8YTgV+OxKc/8Yvx+mQ==",
       "license": "MIT",
       "engines": {
         "node": ">=18"
diff --git a/package.json b/package.json
index 2203fa44..1bf3b189 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   "dependencies": {
     "axe-core": "^4.10.2",
     "bfj": "^9.1.1",
-    "commander": "^12.1.0",
+    "commander": "^13.0.0",
     "envinfo": "^7.14.0",
     "html_codesniffer": "^2.5.1",
     "kleur": "^4.1.5",