diff --git a/package.json b/package.json
index d742a70a..2f850e50 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
   },
   "devDependencies": {
     "@commitlint/cli": "^8.3.5",
-    "@commitlint/config-conventional": "^8.3.4",
+    "@commitlint/config-conventional": "^9.0.1",
     "@commitlint/config-lerna-scopes": "^8.3.4",
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@stryker-mutator/core": "^2.5.0",
diff --git a/yarn.lock b/yarn.lock
index ff331e24..0289b463 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -143,12 +143,12 @@
     resolve-from "5.0.0"
     resolve-global "1.0.0"
 
-"@commitlint/config-conventional@^8.3.4":
-  version "8.3.4"
-  resolved "https://registry.yarnpkg.com/@commitlint/config-conventional/-/config-conventional-8.3.4.tgz#fed13b3711690663b176c1f6b39c205a565618d2"
-  integrity sha512-w0Yc5+aVAjZgjYqx29igBOnVCj8O22gy3Vo6Fyp7PwoS7+AYS1x3sN7IBq6i7Ae15Mv5P+rEx1pkxXo5zOMe4g==
+"@commitlint/config-conventional@^9.0.1":
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/@commitlint/config-conventional/-/config-conventional-9.0.1.tgz#af44a175f49704ca6b27cc7770a13d809f2fd7a7"
+  integrity sha512-5rGu8aT4nRhWKrd5SpXqKJKLM07wXi4X5KVD9EEAuucAh2iZgfJJK9HKZNKGEKLKBQSWlnXE6UvkeEjJgi6TPQ==
   dependencies:
-    conventional-changelog-conventionalcommits "4.2.1"
+    conventional-changelog-conventionalcommits "4.2.3"
 
 "@commitlint/config-lerna-scopes@^8.3.4":
   version "8.3.4"
@@ -1390,15 +1390,6 @@
     regexpp "^3.0.0"
     tsutils "^3.17.1"
 
-"@typescript-eslint/experimental-utils@2.19.0":
-  version "2.19.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.19.0.tgz#d5ca732f22c009e515ba09fcceb5f2127d841568"
-  integrity sha512-zwpg6zEOPbhB3+GaQfufzlMUOO6GXCNZq6skk+b2ZkZAIoBhVoanWK255BS1g5x9bMwHpLhX0Rpn5Fc3NdCZdg==
-  dependencies:
-    "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/typescript-estree" "2.19.0"
-    eslint-scope "^5.0.0"
-
 "@typescript-eslint/experimental-utils@2.34.0":
   version "2.34.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.34.0.tgz#d3524b644cdb40eebceca67f8cf3e4cc9c8f980f"
@@ -1419,19 +1410,6 @@
     "@typescript-eslint/typescript-estree" "2.34.0"
     eslint-visitor-keys "^1.1.0"
 
-"@typescript-eslint/typescript-estree@2.19.0":
-  version "2.19.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.19.0.tgz#6bd7310b9827e04756fe712909f26956aac4b196"
-  integrity sha512-n6/Xa37k0jQdwpUszffi19AlNbVCR0sdvCs3DmSKMD7wBttKY31lhD2fug5kMD91B2qW4mQldaTEc1PEzvGu8w==
-  dependencies:
-    debug "^4.1.1"
-    eslint-visitor-keys "^1.1.0"
-    glob "^7.1.6"
-    is-glob "^4.0.1"
-    lodash "^4.17.15"
-    semver "^6.3.0"
-    tsutils "^3.17.1"
-
 "@typescript-eslint/typescript-estree@2.34.0":
   version "2.34.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.34.0.tgz#14aeb6353b39ef0732cc7f1b8285294937cf37d5"
@@ -2367,13 +2345,13 @@ conventional-changelog-angular@^5.0.3:
     compare-func "^1.3.1"
     q "^1.5.1"
 
-conventional-changelog-conventionalcommits@4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-conventionalcommits/-/conventional-changelog-conventionalcommits-4.2.1.tgz#d6cb2e2c5d7bfca044a08b9dba84b4082e1a1bd9"
-  integrity sha512-vC02KucnkNNap+foDKFm7BVUSDAXktXrUJqGszUuYnt6T0J2azsbYz/w9TDc3VsrW2v6JOtiQWVcgZnporHr4Q==
+conventional-changelog-conventionalcommits@4.2.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-conventionalcommits/-/conventional-changelog-conventionalcommits-4.2.3.tgz#22855b32d57d0328951c1c2dc01b172a5f24ea37"
+  integrity sha512-atGa+R4vvEhb8N/8v3IoW59gCBJeeFiX6uIbPu876ENAmkMwsenyn0R21kdDHJFLQdy6zW4J6b4xN8KI3b9oww==
   dependencies:
     compare-func "^1.3.1"
-    lodash "^4.2.1"
+    lodash "^4.17.15"
     q "^1.5.1"
 
 conventional-changelog-conventionalcommits@^4.2.3: