diff --git a/package.json b/package.json
index 40c3ee9e69..9bdce6f94a 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "flexboxgrid-helpers": "^1.1.3",
     "hastscript": "^9.0.0",
     "java-slang": "^1.0.6",
-    "js-slang": "^1.0.65",
+    "js-slang": "^1.0.66",
     "js-yaml": "^4.1.0",
     "konva": "^9.2.0",
     "lodash": "^4.17.21",
diff --git a/yarn.lock b/yarn.lock
index 9bf09f8e38..5cb9a8fc13 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8578,10 +8578,10 @@ js-sdsl@4.3.0, js-sdsl@^4.1.4:
   resolved "https://registry.yarnpkg.com/js-sdsl/-/js-sdsl-4.3.0.tgz#aeefe32a451f7af88425b11fdb5f58c90ae1d711"
   integrity sha512-mifzlm2+5nZ+lEcLJMoBK0/IH/bDg8XnJfd/Wq6IP+xoCjLZsTOnV2QpxlVbX9bMnkl5PdEjNtBJ9Cj1NjifhQ==
 
-js-slang@^1.0.65:
-  version "1.0.65"
-  resolved "https://registry.yarnpkg.com/js-slang/-/js-slang-1.0.65.tgz#61356a93d48e5e6ac9a252529eef3a847ef76b01"
-  integrity sha512-0atWwWjfN8uLsw27P6rnW/AjtQc+RVliQ5H/stDHYpDTafOogAeY11Nq82qndn/r6SIX8FpPOl9OgXhNMkq2rw==
+js-slang@^1.0.66:
+  version "1.0.66"
+  resolved "https://registry.yarnpkg.com/js-slang/-/js-slang-1.0.66.tgz#8ea8918cc0086f672bfc4696d2b33dc8a5187d91"
+  integrity sha512-BCB9COjncFklBoyVqP2/qK8xZq3LohSIKF6jzbF6NdjmXLyThvi6osbxyCRUGs6q5u1mMUkwJ54Hkfy6uCucmg==
   dependencies:
     "@babel/parser" "^7.19.4"
     "@joeychenofficial/alt-ergo-modified" "^2.4.0"