diff --git a/packages/codemirror-workspace/package.json b/packages/codemirror-workspace/package.json
index 6007a58..4b92b46 100644
--- a/packages/codemirror-workspace/package.json
+++ b/packages/codemirror-workspace/package.json
@@ -40,7 +40,7 @@
     "@types/codemirror": "^5.0.0",
     "@types/jest": "^28.1.3",
     "codemirror": "^5.59.2",
-    "fast-check": "^3.0.1",
+    "fast-check": "^4.0.0",
     "jest": "^28.1.1",
     "jest-environment-jsdom": "^28.1.1",
     "ts-jest": "^28.0.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0f68fed..d7c674c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -151,7 +151,7 @@ importers:
       '@types/codemirror': ^5.0.0
       '@types/jest': ^28.1.3
       codemirror: ^5.59.2
-      fast-check: ^3.0.1
+      fast-check: ^4.0.0
       jest: ^28.1.1
       jest-environment-jsdom: ^28.1.1
       ts-jest: ^28.0.5
@@ -168,7 +168,7 @@ importers:
       '@types/codemirror': 5.60.0
       '@types/jest': 28.1.3
       codemirror: 5.63.3
-      fast-check: 3.0.1
+      fast-check: 4.7.0
       jest: 28.1.1
       jest-environment-jsdom: 28.1.1
       ts-jest: 28.0.5_jest@28.1.1+typescript@4.7.4
@@ -2651,11 +2651,11 @@ packages:
       tmp: 0.0.33
     dev: true
 
-  /fast-check/3.0.1:
-    resolution: {integrity: sha512-AriFDYpYVOBynpPZq/quxSLumFOo2hPB2H5Nz2vc1QlNfjOaA62zX8USNXcOY5nwKHEq7lZ84dG9M1W+LAND1g==}
-    engines: {node: '>=8.0.0'}
+  /fast-check/4.7.0:
+    resolution: {integrity: sha512-NsZRtqvSSoCP0HbNjUD+r1JH8zqZalyp6gLY9e7OYs7NK9b6AHOs2baBFeBG7bVNsuoukh89x2Yg3rPsul8ziQ==}
+    engines: {node: '>=12.17.0'}
     dependencies:
-      pure-rand: 5.0.1
+      pure-rand: 8.4.0
     dev: true
 
   /fast-glob/3.2.11:
@@ -3886,7 +3886,7 @@ packages:
     dependencies:
       universalify: 2.0.0
     optionalDependencies:
-      graceful-fs: 4.2.6
+      graceful-fs: 4.2.10
     dev: true
 
   /jstransformer/1.0.0:
@@ -4545,8 +4545,8 @@ packages:
     engines: {node: '>=6'}
     dev: true
 
-  /pure-rand/5.0.1:
-    resolution: {integrity: sha512-ksWccjmXOHU2gJBnH0cK1lSYdvSZ0zLoCMSz/nTGh6hDvCSgcRxDyIcOBD6KNxFz3xhMPm/T267Tbe2JRymKEQ==}
+  /pure-rand/8.4.0:
+    resolution: {integrity: sha512-IoM8YF/jY0hiugFo/wOWqfmarlE6J0wc6fDK1PhftMk7MGhVZl88sZimmqBBFomLOCSmcCCpsfj7wXASCpvK9A==}
     dev: true
 
   /queue-microtask/1.2.3: