diff --git a/package.json b/package.json
index 6131a98..9a68426 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@testing-library/react": "^11.2.5",
     "@testing-library/user-event": "^13.0.2",
     "ajv": "^8.6.2",
-    "ammo.js": "kripken/ammo.js",
+    "ammo.js": "kripken/ammo.js#85c0614cd5338aa0843814fe7bbd2df48164ece7",
     "case": "^1.6.3",
     "color": "^3.2.1",
     "comlink": "^4.3.1",
diff --git a/yarn.lock b/yarn.lock
index 411290c..9e67f53 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3723,9 +3723,9 @@ alphanum-sort@^1.0.0:
   resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
   integrity sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM=
 
-ammo.js@kripken/ammo.js:
+ammo.js@kripken/ammo.js#85c0614cd5338aa0843814fe7bbd2df48164ece7:
   version "0.0.2"
-  resolved "https://codeload.github.com/kripken/ammo.js/tar.gz/c40aee525f2e3d4d2917938bf4e0b21d27f40d3c"
+  resolved "https://codeload.github.com/kripken/ammo.js/tar.gz/85c0614cd5338aa0843814fe7bbd2df48164ece7"
 
 ansi-colors@^3.0.0:
   version "3.2.4"