diff --git a/backend/package-lock.json b/backend/package-lock.json
index de087d29..7e90814a 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -48,7 +48,7 @@
       "devDependencies": {
         "eslint": "^8.57.0",
         "eslint-config-prettier": "9.1.0",
-        "fast-check": "^3.22.0",
+        "fast-check": "^4.10.0",
         "jest": "^30.3.0",
         "js-yaml": "^4.1.0",
         "nock": "^14.0.15",
@@ -6772,9 +6772,9 @@
       "license": "MIT"
     },
     "node_modules/fast-check": {
-      "version": "3.22.0",
-      "resolved": "https://registry.npmjs.org/fast-check/-/fast-check-3.22.0.tgz",
-      "integrity": "sha512-8HKz3qXqnHYp/VCNn2qfjHdAdcI8zcSqOyX64GOMukp7SL2bfzfeDKjSd+UyECtejccaZv3LcvZTm9YDD22iCQ==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/fast-check/-/fast-check-4.10.0.tgz",
+      "integrity": "sha512-hhqQL+IJllZi3aM4TKvmCj3bywLEcycNTTLZeLhA9ttMxBrCqM07q7Di4kl+j9EWSTXvJH1+EpIgsDbF/+8H5Q==",
       "dev": true,
       "funding": [
         {
@@ -6788,16 +6788,16 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "pure-rand": "^6.1.0"
+        "pure-rand": "^8.0.0"
       },
       "engines": {
-        "node": ">=8.0.0"
+        "node": ">=12.17.0"
       }
     },
     "node_modules/fast-check/node_modules/pure-rand": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/pure-rand/-/pure-rand-6.1.0.tgz",
-      "integrity": "sha512-bVWawvoZoBYpp6yIoQtQXHZjmz35RSVHnUOTefl8Vcjr8snTPY1wnpSPMWekcFwbxI6gtmT7rSYPFvz71ldiOA==",
+      "version": "8.4.2",
+      "resolved": "https://registry.npmjs.org/pure-rand/-/pure-rand-8.4.2.tgz",
+      "integrity": "sha512-vvuOGgcuPJAirlHvuQw1TrOiw7ptaIXXmIbNuiNOY6lNGJJH49PQ1Kj4nd783nPdQhQdicgOjVI2yI/9BD6/Ng==",
       "dev": true,
       "funding": [
         {
diff --git a/backend/package.json b/backend/package.json
index 20dee27c..e8be6d11 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -59,7 +59,7 @@
   "devDependencies": {
     "eslint": "^8.57.0",
     "eslint-config-prettier": "9.1.0",
-    "fast-check": "^3.22.0",
+    "fast-check": "^4.10.0",
     "jest": "^30.3.0",
     "js-yaml": "^4.1.0",
     "nock": "^14.0.15",