diff --git a/package.json b/package.json
index 3e2aecd..fd968b0 100644
--- a/package.json
+++ b/package.json
@@ -40,10 +40,10 @@
   "homepage": "https://github.com/NoriSte/nprr#readme",
   "devDependencies": {
     "@semantic-release/npm": "7.0.5",
-    "@stryker-mutator/core": "3.3.0",
+    "@stryker-mutator/core": "3.3.1",
     "@stryker-mutator/html-reporter": "3.1.0",
-    "@stryker-mutator/javascript-mutator": "3.3.0",
-    "@stryker-mutator/jest-runner": "3.3.0",
+    "@stryker-mutator/javascript-mutator": "3.3.1",
+    "@stryker-mutator/jest-runner": "3.3.1",
     "coveralls": "3.1.0",
     "cz-conventional-changelog": "3.2.0",
     "jest": "25.4.0",