diff --git a/package.json b/package.json
index a30cd7a93..d876c230f 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "homepage": "https://sourceacademy.org/sicpjs",
   "packageManager": "yarn@1.22.22+sha1.ac34549e6aa8e7ead463a7407e1c7390f61a6610",
   "devDependencies": {
-    "@babel/core": "^7.28.0",
+    "@babel/core": "^7.28.3",
     "@babel/node": "^7.28.0",
     "@babel/preset-env": "^7.28.0",
     "fs-extra": "^11.3.0",
diff --git a/yarn.lock b/yarn.lock
index 4b1da8fc1..61d033b1c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -24,34 +24,34 @@
   resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.28.0.tgz#9fc6fd58c2a6a15243cd13983224968392070790"
   integrity sha512-60X7qkglvrap8mn1lh2ebxXdZYtUcpd7gsmy9kLaBJ4i/WdY8PqTSdxyA8qraikqKQK5C1KRBKXqznrVapyNaw==
 
-"@babel/core@^7.28.0":
-  version "7.28.0"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.28.0.tgz#55dad808d5bf3445a108eefc88ea3fdf034749a4"
-  integrity sha512-UlLAnTPrFdNGoFtbSXwcGFQBtQZJCNjaN6hQNP3UPvuNXT1i82N26KL3dZeIpNalWywr9IuQuncaAfUaS1g6sQ==
+"@babel/core@^7.28.3":
+  version "7.28.3"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.28.3.tgz#aceddde69c5d1def69b839d09efa3e3ff59c97cb"
+  integrity sha512-yDBHV9kQNcr2/sUr9jghVyz9C3Y5G2zUM2H2lo+9mKv4sFgbA8s8Z9t8D1jiTkGoO/NoIfKMyKWr4s6CN23ZwQ==
   dependencies:
     "@ampproject/remapping" "^2.2.0"
     "@babel/code-frame" "^7.27.1"
-    "@babel/generator" "^7.28.0"
+    "@babel/generator" "^7.28.3"
     "@babel/helper-compilation-targets" "^7.27.2"
-    "@babel/helper-module-transforms" "^7.27.3"
-    "@babel/helpers" "^7.27.6"
-    "@babel/parser" "^7.28.0"
+    "@babel/helper-module-transforms" "^7.28.3"
+    "@babel/helpers" "^7.28.3"
+    "@babel/parser" "^7.28.3"
     "@babel/template" "^7.27.2"
-    "@babel/traverse" "^7.28.0"
-    "@babel/types" "^7.28.0"
+    "@babel/traverse" "^7.28.3"
+    "@babel/types" "^7.28.2"
     convert-source-map "^2.0.0"
     debug "^4.1.0"
     gensync "^1.0.0-beta.2"
     json5 "^2.2.3"
     semver "^6.3.1"
 
-"@babel/generator@^7.28.0":
-  version "7.28.0"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.28.0.tgz#9cc2f7bd6eb054d77dc66c2664148a0c5118acd2"
-  integrity sha512-lJjzvrbEeWrhB4P3QBsH7tey117PjLZnDbLiQEKjQ/fNJTjuq4HSqgFA+UNSwZT8D7dxxbnuSBMsa1lrWzKlQg==
+"@babel/generator@^7.28.3":
+  version "7.28.3"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.28.3.tgz#9626c1741c650cbac39121694a0f2d7451b8ef3e"
+  integrity sha512-3lSpxGgvnmZznmBkCRnVREPUFJv2wrv9iAoFDvADJc0ypmdOxdUtcLeBgBJ6zE0PMeTKnxeQzyk0xTBq4Ep7zw==
   dependencies:
-    "@babel/parser" "^7.28.0"
-    "@babel/types" "^7.28.0"
+    "@babel/parser" "^7.28.3"
+    "@babel/types" "^7.28.2"
     "@jridgewell/gen-mapping" "^0.3.12"
     "@jridgewell/trace-mapping" "^0.3.28"
     jsesc "^3.0.2"
@@ -151,14 +151,14 @@
     "@babel/traverse" "^7.27.1"
     "@babel/types" "^7.27.1"
 
-"@babel/helper-module-transforms@^7.27.1", "@babel/helper-module-transforms@^7.27.3":
-  version "7.27.3"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.27.3.tgz#db0bbcfba5802f9ef7870705a7ef8788508ede02"
-  integrity sha512-dSOvYwvyLsWBeIRyOeHXp5vPj5l1I011r52FM1+r1jCERv+aFXYk4whgQccYEGYxK2H3ZAIA8nuPkQ0HaUo3qg==
+"@babel/helper-module-transforms@^7.27.1", "@babel/helper-module-transforms@^7.28.3":
+  version "7.28.3"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.28.3.tgz#a2b37d3da3b2344fe085dab234426f2b9a2fa5f6"
+  integrity sha512-gytXUbs8k2sXS9PnQptz5o0QnpLL51SwASIORY6XaBKF88nsOT0Zw9szLqlSGQDP/4TljBAD5y98p2U1fqkdsw==
   dependencies:
     "@babel/helper-module-imports" "^7.27.1"
     "@babel/helper-validator-identifier" "^7.27.1"
-    "@babel/traverse" "^7.27.3"
+    "@babel/traverse" "^7.28.3"
 
 "@babel/helper-optimise-call-expression@^7.27.1":
   version "7.27.1"
@@ -222,13 +222,13 @@
     "@babel/traverse" "^7.27.1"
     "@babel/types" "^7.27.1"
 
-"@babel/helpers@^7.27.6":
-  version "7.27.6"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.27.6.tgz#6456fed15b2cb669d2d1fabe84b66b34991d812c"
-  integrity sha512-muE8Tt8M22638HU31A3CgfSUciwz1fhATfoVai05aPXGor//CdWDCbnlY1yvBPo07njuVOCNGCSp/GTt12lIug==
+"@babel/helpers@^7.28.3":
+  version "7.28.3"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.28.3.tgz#b83156c0a2232c133d1b535dd5d3452119c7e441"
+  integrity sha512-PTNtvUQihsAsDHMOP5pfobP8C6CM4JWXmP8DrEIt46c3r2bf87Ua1zoqevsMo9g+tWDwgWrFP5EIxuBx5RudAw==
   dependencies:
     "@babel/template" "^7.27.2"
-    "@babel/types" "^7.27.6"
+    "@babel/types" "^7.28.2"
 
 "@babel/node@^7.28.0":
   version "7.28.0"
@@ -242,12 +242,12 @@
     regenerator-runtime "^0.14.0"
     v8flags "^3.1.1"
 
-"@babel/parser@^7.19.4", "@babel/parser@^7.27.2", "@babel/parser@^7.28.0":
-  version "7.28.0"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.28.0.tgz#979829fbab51a29e13901e5a80713dbcb840825e"
-  integrity sha512-jVZGvOxOuNSsuQuLRTh13nU0AogFlw32w/MT+LV6D3sP5WdbW61E77RnkbaO2dUvmPAYrBDJXGn5gGS6tH4j8g==
+"@babel/parser@^7.19.4", "@babel/parser@^7.27.2", "@babel/parser@^7.28.3":
+  version "7.28.3"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.28.3.tgz#d2d25b814621bca5fe9d172bc93792547e7a2a71"
+  integrity sha512-7+Ey1mAgYqFAx2h0RuoxcQT5+MlG3GTV0TQrgr7/ZliKsm/MNDxVVutlWaziMq7wJNAz8MTqz55XLpWvva6StA==
   dependencies:
-    "@babel/types" "^7.28.0"
+    "@babel/types" "^7.28.2"
 
 "@babel/plugin-bugfix-firefox-class-in-computed-class-key@^7.27.1":
   version "7.27.1"
@@ -822,28 +822,20 @@
     "@babel/parser" "^7.27.2"
     "@babel/types" "^7.27.1"
 
-"@babel/traverse@^7.27.1", "@babel/traverse@^7.27.3", "@babel/traverse@^7.28.0":
-  version "7.28.0"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.28.0.tgz#518aa113359b062042379e333db18380b537e34b"
-  integrity sha512-mGe7UK5wWyh0bKRfupsUchrQGqvDbZDbKJw+kcRGSmdHVYrv+ltd0pnpDTVpiTqnaBru9iEvA8pz8W46v0Amwg==
+"@babel/traverse@^7.27.1", "@babel/traverse@^7.28.0", "@babel/traverse@^7.28.3":
+  version "7.28.3"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.28.3.tgz#6911a10795d2cce43ec6a28cffc440cca2593434"
+  integrity sha512-7w4kZYHneL3A6NP2nxzHvT3HCZ7puDZZjFMqDpBPECub79sTtSO5CGXDkKrTQq8ksAwfD/XI2MRFX23njdDaIQ==
   dependencies:
     "@babel/code-frame" "^7.27.1"
-    "@babel/generator" "^7.28.0"
+    "@babel/generator" "^7.28.3"
     "@babel/helper-globals" "^7.28.0"
-    "@babel/parser" "^7.28.0"
+    "@babel/parser" "^7.28.3"
     "@babel/template" "^7.27.2"
-    "@babel/types" "^7.28.0"
+    "@babel/types" "^7.28.2"
     debug "^4.3.1"
 
-"@babel/types@^7.24.7", "@babel/types@^7.27.1", "@babel/types@^7.27.6", "@babel/types@^7.28.0", "@babel/types@^7.4.4":
-  version "7.28.0"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.28.0.tgz#2fd0159a6dc7353933920c43136335a9b264d950"
-  integrity sha512-jYnje+JyZG5YThjHiF28oT4SIZLnYOcSBb6+SDaFIyzDVSkXQmQQYclJ2R+YxcdmK0AX6x1E5OQNtuh3jHDrUg==
-  dependencies:
-    "@babel/helper-string-parser" "^7.27.1"
-    "@babel/helper-validator-identifier" "^7.27.1"
-
-"@babel/types@^7.27.3":
+"@babel/types@^7.24.7", "@babel/types@^7.27.1", "@babel/types@^7.27.3", "@babel/types@^7.28.2", "@babel/types@^7.4.4":
   version "7.28.2"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.28.2.tgz#da9db0856a9a88e0a13b019881d7513588cf712b"
   integrity sha512-ruv7Ae4J5dUYULmeXw1gmb7rYRz57OWCPM57pHojnLq/3Z1CK2lNSLTCVjxVk1F/TZHwOZZrOWi0ur95BbLxNQ==
@@ -1324,12 +1316,12 @@ cross-spawn@^7.0.0:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-debug@4, debug@^4.1.0, debug@^4.3.1, debug@^4.3.4:
-  version "4.3.6"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.6.tgz#2ab2c38fbaffebf8aa95fdfe6d88438c7a13c52b"
-  integrity sha512-O/09Bd4Z1fBrU4VzkhFqVgpPzaGbw6Sm9FEkBT1A/YBXQFGuuSxa1dN2nxgxS34JmKXqYx8CZAwEVoJFImUXIg==
+debug@4, debug@^4.1.0, debug@^4.3.1, debug@^4.3.4, debug@^4.4.1:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.4.1.tgz#e5a8bc6cbc4c6cd3e64308b0693a3d4fa550189b"
+  integrity sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==
   dependencies:
-    ms "2.1.2"
+    ms "^2.1.3"
 
 debug@^3.1.1:
   version "3.2.7"
@@ -1338,13 +1330,6 @@ debug@^3.1.1:
   dependencies:
     ms "^2.1.1"
 
-debug@^4.4.1:
-  version "4.4.1"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-4.4.1.tgz#e5a8bc6cbc4c6cd3e64308b0693a3d4fa550189b"
-  integrity sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==
-  dependencies:
-    ms "^2.1.3"
-
 decompress-response@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-6.0.0.tgz#ca387612ddb7e104bd16d85aab00d5ecf09c66fc"
@@ -2143,7 +2128,7 @@ mkdirp@^1.0.3, mkdirp@^1.0.4:
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
-ms@2.1.2, ms@^2.1.1:
+ms@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==