diff --git a/packages/squiggle-lang/package.json b/packages/squiggle-lang/package.json
index f338e564..85a90124 100644
--- a/packages/squiggle-lang/package.json
+++ b/packages/squiggle-lang/package.json
@@ -51,7 +51,7 @@
     "bisect_ppx": "^2.7.1",
     "chalk": "^5.0.1",
     "codecov": "^3.8.3",
-    "fast-check": "^2.25.0",
+    "fast-check": "^3.0.0",
     "gentype": "^4.4.0",
     "jest": "^27.5.1",
     "moduleserve": "^0.9.1",
diff --git a/yarn.lock b/yarn.lock
index 158b9dfc..8221b974 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8810,13 +8810,20 @@ extglob@^2.0.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-fast-check@^2.17.0, fast-check@^2.25.0:
+fast-check@^2.17.0:
   version "2.25.0"
   resolved "https://registry.yarnpkg.com/fast-check/-/fast-check-2.25.0.tgz#5146601851bf3be0953bd17eb2b7d547936c6561"
   integrity sha512-wRUT2KD2lAmT75WNIJIHECawoUUMHM0I5jrlLXGtGeqmPL8jl/EldUDjY1VCp6fDY8yflyfUeIOsOBrIbIiArg==
   dependencies:
     pure-rand "^5.0.1"
 
+fast-check@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/fast-check/-/fast-check-3.0.0.tgz#6ea28d584e9ffebd7ecd0f06c163cd6af593ecfd"
+  integrity sha512-uujtrFJEQQqnIMO52ARwzPcuV4omiL1OJBUBLE9WnNFeu0A97sREXDOmCIHY+Z6KLVcemUf09rWr0q0Xy/Y/Ew==
+  dependencies:
+    pure-rand "^5.0.1"
+
 fast-deep-equal@^3.1.1, fast-deep-equal@^3.1.3, fast-deep-equal@~3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"