diff --git a/packages/contentful--create-contentful-app/package-lock.json b/packages/contentful--create-contentful-app/package-lock.json
index 1366a3df4..bde057072 100644
--- a/packages/contentful--create-contentful-app/package-lock.json
+++ b/packages/contentful--create-contentful-app/package-lock.json
@@ -34,7 +34,7 @@
         "@types/node-fetch": "^2.6.2",
         "@types/rimraf": "3.0.2",
         "@types/sinon": "^17.0.0",
-        "@types/sinon-chai": "^3.2.9",
+        "@types/sinon-chai": "^4.0.0",
         "@types/tildify": "2.0.2",
         "@types/validate-npm-package-name": "4.0.2",
         "chai": "^4.3.7",
@@ -42,7 +42,7 @@
         "contentful-management": "11.57.4",
         "mocha": "^11.2.2",
         "sinon": "^21.0.0",
-        "sinon-chai": "^3.7.0",
+        "sinon-chai": "^4.0.1",
         "ts-node": "^10.9.2"
       },
       "engines": {
@@ -500,10 +500,11 @@
       }
     },
     "node_modules/@types/sinon-chai": {
-      "version": "3.2.12",
-      "resolved": "https://registry.npmjs.org/@types/sinon-chai/-/sinon-chai-3.2.12.tgz",
-      "integrity": "sha512-9y0Gflk3b0+NhQZ/oxGtaAJDvRywCa5sIyaVnounqLvmf93yBF4EgIRspePtkMs3Tr844nCclYMlcCNmLCvjuQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@types/sinon-chai/-/sinon-chai-4.0.0.tgz",
+      "integrity": "sha512-Uar+qk3TmeFsUWCwtqRNqNUE7vf34+MCJiQJR5M2rd4nCbhtE8RgTiHwN/mVwbfCjhmO6DiOel/MgzHkRMJJFg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@types/chai": "*",
         "@types/sinon": "*"
@@ -2612,12 +2613,13 @@
       }
     },
     "node_modules/sinon-chai": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.7.0.tgz",
-      "integrity": "sha512-mf5NURdUaSdnatJx3uhoBOrY9dtL19fiOtAdT1Azxg3+lNJFiuN0uzaU3xX1LeAfL17kHQhTAJgpsfhbMJMY2g==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-4.0.1.tgz",
+      "integrity": "sha512-xMKEEV3cYHC1G+boyr7QEqi80gHznYsxVdC9CdjP5JnCWz/jPGuXQzJz3PtBcb0CcHAxar15Y5sjLBoAs6a0yA==",
       "dev": true,
+      "license": "(BSD-2-Clause OR WTFPL)",
       "peerDependencies": {
-        "chai": "^4.0.0",
+        "chai": "^5.0.0 || ^6.0.0",
         "sinon": ">=4.0.0"
       }
     },
diff --git a/packages/contentful--create-contentful-app/package.json b/packages/contentful--create-contentful-app/package.json
index 048c12c5f..8857388be 100644
--- a/packages/contentful--create-contentful-app/package.json
+++ b/packages/contentful--create-contentful-app/package.json
@@ -68,7 +68,7 @@
     "@types/node-fetch": "^2.6.2",
     "@types/rimraf": "3.0.2",
     "@types/sinon": "^17.0.0",
-    "@types/sinon-chai": "^3.2.9",
+    "@types/sinon-chai": "^4.0.0",
     "@types/tildify": "2.0.2",
     "@types/validate-npm-package-name": "4.0.2",
     "chai": "^4.3.7",
@@ -76,7 +76,7 @@
     "contentful-management": "11.57.4",
     "mocha": "^11.2.2",
     "sinon": "^21.0.0",
-    "sinon-chai": "^3.7.0",
+    "sinon-chai": "^4.0.1",
     "ts-node": "^10.9.2"
   },
   "gitHead": "4c3506be3f52c7a8aae17deaa75acefc9a805b42"