diff --git a/packages/simulator/package.json b/packages/simulator/package.json
index af5fead7..d38a0d47 100644
--- a/packages/simulator/package.json
+++ b/packages/simulator/package.json
@@ -33,7 +33,7 @@
     "@midnight-ntwrk/zswap": "^4.0.0",
     "@tsconfig/node24": "^24.0.4",
     "@types/node": "25.7.0",
-    "fast-check": "^4.7.0",
+    "fast-check": "^4.8.0",
     "typescript": "^5.8.2",
     "vitest": "^4.1.6"
   },
diff --git a/yarn.lock b/yarn.lock
index 44fb35e8..655d6c95 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -271,7 +271,7 @@ __metadata:
     "@midnight-ntwrk/zswap": "npm:^4.0.0"
     "@tsconfig/node24": "npm:^24.0.4"
     "@types/node": "npm:25.7.0"
-    fast-check: "npm:^4.7.0"
+    fast-check: "npm:^4.8.0"
     typescript: "npm:^5.8.2"
     vitest: "npm:^4.1.6"
   languageName: unknown
@@ -916,12 +916,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-check@npm:^4.7.0":
-  version: 4.7.0
-  resolution: "fast-check@npm:4.7.0"
+"fast-check@npm:^4.8.0":
+  version: 4.8.0
+  resolution: "fast-check@npm:4.8.0"
   dependencies:
     pure-rand: "npm:^8.0.0"
-  checksum: 10/fabe4cb8296dc893c3ac49dc2c1564e60aec7ab5774d8f71b6e0952d32ad2f93e320234e5fd8a671490060f35a6bba96df339ee8c8e3597eff946c74df9a3920
+  checksum: 10/32101d27e69f7f0a3ea486f1a6feee6b34c824ba14bf3efce2ad1741fcd412817ac3ed14f53ef57a55d6fe2e00038e399c4a9c62444446a6e7a1a4b04bc6b88d
   languageName: node
   linkType: hard