diff --git a/Case/package.json b/Case/package.json
index b1cb784..8af1754 100644
--- a/Case/package.json
+++ b/Case/package.json
@@ -14,7 +14,7 @@
     "@jscad/csg": "^0.3.7",
     "@jscad/io": "^0.3.12",
     "lodash.times": "^4.3.2",
-    "three": "^0.88.0",
+    "three": "^0.137.0",
     "three-orbitcontrols": "^2.0.0"
   },
   "devDependencies": {
diff --git a/Case/yarn.lock b/Case/yarn.lock
index b48076b..49f2973 100644
--- a/Case/yarn.lock
+++ b/Case/yarn.lock
@@ -2296,9 +2296,9 @@ three-orbitcontrols@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/three-orbitcontrols/-/three-orbitcontrols-2.0.0.tgz#4a0ce4c790bd85febb20de2ea4521c21c573794c"
 
-three@^0.88.0:
-  version "0.88.0"
-  resolved "https://registry.yarnpkg.com/three/-/three-0.88.0.tgz#4256c2fc38e4fb23a0d23eba2b6cce4df8e466d5"
+three@^0.137.0:
+  version "0.137.0"
+  resolved "https://registry.yarnpkg.com/three/-/three-0.137.0.tgz#0ebd6ba66637a332c31f234bcdd35aeec071a6e3"
 
 through2@^2.0.0:
   version "2.0.3"