diff --git a/testdata/package-lock.json b/testdata/package-lock.json
index 0c1c101..d8ec423 100644
--- a/testdata/package-lock.json
+++ b/testdata/package-lock.json
@@ -10,14 +10,14 @@
       "hasInstallScript": true,
       "license": "ISC",
       "devDependencies": {
-        "@cucumber/compatibility-kit": "^18.0.0",
+        "@cucumber/compatibility-kit": "^20.0.0",
         "shx": "^0.4.0"
       }
     },
     "node_modules/@cucumber/compatibility-kit": {
-      "version": "18.0.2",
-      "resolved": "https://registry.npmjs.org/@cucumber/compatibility-kit/-/compatibility-kit-18.0.2.tgz",
-      "integrity": "sha512-e4LzjpcAlMy8DBzAtDdv97m0GW1qO15tRmJEBxokXNUOofNSyKq4Aswdz97bzamJCWhJ6XASmoGlRKPuMWi2Dg==",
+      "version": "20.0.0",
+      "resolved": "https://registry.npmjs.org/@cucumber/compatibility-kit/-/compatibility-kit-20.0.0.tgz",
+      "integrity": "sha512-hrlelLdOP7ojqSDxbuzBLSfrwbV4js0ew2FlOqa2kTf/dOLrynhAvtPyDw0001xNBhqXr5YtGZIas/2WWkP5vA==",
       "dev": true
     },
     "node_modules/@nodelib/fs.scandir": {
@@ -565,9 +565,9 @@
   },
   "dependencies": {
     "@cucumber/compatibility-kit": {
-      "version": "18.0.2",
-      "resolved": "https://registry.npmjs.org/@cucumber/compatibility-kit/-/compatibility-kit-18.0.2.tgz",
-      "integrity": "sha512-e4LzjpcAlMy8DBzAtDdv97m0GW1qO15tRmJEBxokXNUOofNSyKq4Aswdz97bzamJCWhJ6XASmoGlRKPuMWi2Dg==",
+      "version": "20.0.0",
+      "resolved": "https://registry.npmjs.org/@cucumber/compatibility-kit/-/compatibility-kit-20.0.0.tgz",
+      "integrity": "sha512-hrlelLdOP7ojqSDxbuzBLSfrwbV4js0ew2FlOqa2kTf/dOLrynhAvtPyDw0001xNBhqXr5YtGZIas/2WWkP5vA==",
       "dev": true
     },
     "@nodelib/fs.scandir": {
diff --git a/testdata/package.json b/testdata/package.json
index 29e4a53..47ab25f 100644
--- a/testdata/package.json
+++ b/testdata/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "@cucumber/compatibility-kit": "^18.0.0",
+    "@cucumber/compatibility-kit": "^20.0.0",
     "shx": "^0.4.0"
   }
 }