diff --git a/.github/workflows/test_on_pr.yml b/.github/workflows/test_on_pr.yml
index 1078d85..9c54035 100644
--- a/.github/workflows/test_on_pr.yml
+++ b/.github/workflows/test_on_pr.yml
@@ -3,7 +3,7 @@ name: Test Pull Request into master branch
 on:
   pull_request:
     branches:
-    - master
+      - master
 
 jobs:
   test:
diff --git a/package-lock.json b/package-lock.json
index 0b8f654..58255aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2088,11 +2088,6 @@
         "delayed-stream": "~1.0.0"
       }
     },
-    "commander": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-3.0.1.tgz",
-      "integrity": "sha512-UNgvDd+csKdc9GD4zjtkHKQbT8Aspt2jCBqNSPp53vAS0L1tS9sXB2TCEOPHJ7kt9bN/niWkYj8T3RQSoMXdSQ=="
-    },
     "component-emitter": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
diff --git a/package.json b/package.json
index b5c09b4..c83cd93 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,6 @@
   ],
   "homepage": "https://github.com/makeros/gelf-transformer#readme",
   "dependencies": {
-    "commander": "^3.0.1",
     "fast-json-parse": "^1.0.3",
     "fast-json-stringify": "^2.4.2",
     "lodash.get": "^4.4.2",