diff --git a/packages/simulator/package.json b/packages/simulator/package.json
index 0448a429..a1c3d910 100644
--- a/packages/simulator/package.json
+++ b/packages/simulator/package.json
@@ -33,7 +33,7 @@
     "@midnight-ntwrk/zswap": "^4.0.0",
     "@tsconfig/node24": "^24.0.3",
     "@types/node": "24.10.0",
-    "fast-check": "^4.3.0",
+    "fast-check": "^4.4.0",
     "typescript": "^5.8.2",
     "vitest": "^4.0.15"
   },
diff --git a/yarn.lock b/yarn.lock
index a335aa5d..7bd40a82 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -414,7 +414,7 @@ __metadata:
     "@midnight-ntwrk/zswap": "npm:^4.0.0"
     "@tsconfig/node24": "npm:^24.0.3"
     "@types/node": "npm:24.10.0"
-    fast-check: "npm:^4.3.0"
+    fast-check: "npm:^4.4.0"
     typescript: "npm:^5.8.2"
     vitest: "npm:^4.0.15"
   languageName: unknown
@@ -1107,12 +1107,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-check@npm:^4.3.0":
-  version: 4.3.0
-  resolution: "fast-check@npm:4.3.0"
+"fast-check@npm:^4.4.0":
+  version: 4.4.0
+  resolution: "fast-check@npm:4.4.0"
   dependencies:
     pure-rand: "npm:^7.0.0"
-  checksum: 10/5f51abb65f4752b61e85e445fb061fe3b2571984c4f2ee77dccf1d95d023380db9405245d49103548c738f1e979a62bd8c9a5a96b675f1d259f3ec4b19076505
+  checksum: 10/2782ba964313335b01b32ba4fd9cd435fc809bb4edb6bf778255c505880625edc92869f4f64eea20484b49c300c37f1f35711fdb9d868295ed23ae4d425209eb
   languageName: node
   linkType: hard