diff --git a/package-lock.json b/package-lock.json
index 9124c95..7628980 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5293,7 +5293,9 @@
       }
     },
     "node_modules/fast-check": {
-      "version": "3.23.2",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/fast-check/-/fast-check-4.9.0.tgz",
+      "integrity": "sha512-7ms6T7SybUev/PQITciI0yLM2pOSFy5zpG8Ty7tQofcVaQUvrMXp6CBwqF6fThLCLOrfBtuHAtwq6Yu4XPCllg==",
       "dev": true,
       "funding": [
         {
@@ -5307,10 +5309,10 @@
       ],
       "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-deep-equal": {
@@ -8075,7 +8077,9 @@
       }
     },
     "node_modules/pure-rand": {
-      "version": "6.1.0",
+      "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": [
         {
@@ -10331,7 +10335,7 @@
         "@types/jest": "^30.0.0",
         "@types/lodash": "^4.14.199",
         "@types/node": "^26.1.0",
-        "fast-check": "^3.23.0",
+        "fast-check": "^4.9.0",
         "jest": "^30.4.2",
         "jest-junit": "^17.0.0",
         "ts-jest": "^29.1.1",
@@ -10672,7 +10676,7 @@
       "devDependencies": {
         "@types/jest": "^30.0.0",
         "@types/node": "^26.1.0",
-        "fast-check": "^3.23.0",
+        "fast-check": "^4.9.0",
         "jest": "^30.4.2",
         "ts-jest": "^29.1.1",
         "typescript": "~5.9.3"
diff --git a/packages/core/package.json b/packages/core/package.json
index 280cc35..7c623d1 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -19,7 +19,7 @@
     "@types/jest": "^30.0.0",
     "@types/lodash": "^4.14.199",
     "@types/node": "^26.1.0",
-    "fast-check": "^3.23.0",
+    "fast-check": "^4.9.0",
     "jest": "^30.4.2",
     "jest-junit": "^17.0.0",
     "ts-jest": "^29.1.1",
diff --git a/packages/jira/package.json b/packages/jira/package.json
index a0e30c7..1b12886 100644
--- a/packages/jira/package.json
+++ b/packages/jira/package.json
@@ -25,7 +25,7 @@
   "devDependencies": {
     "@types/jest": "^30.0.0",
     "@types/node": "^26.1.0",
-    "fast-check": "^3.23.0",
+    "fast-check": "^4.9.0",
     "jest": "^30.4.2",
     "ts-jest": "^29.1.1",
     "typescript": "~5.9.3"