diff --git a/package.json b/package.json
index f2a9da8e1..54dda55f6 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": "^7.27.4",
+    "@babel/core": "^7.28.0",
     "@babel/node": "^7.27.1",
     "@babel/preset-env": "^7.27.2",
     "fs-extra": "^11.3.0",
diff --git a/yarn.lock b/yarn.lock
index eca615c98..254bd8e26 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -24,36 +24,36 @@
   resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.27.3.tgz#cc49c2ac222d69b889bf34c795f537c0c6311111"
   integrity sha512-V42wFfx1ymFte+ecf6iXghnnP8kWTO+ZLXIyZq+1LAXHHvTZdVxicn4yiVYdYMGaCO3tmqub11AorKkv+iodqw==
 
-"@babel/core@^7.27.4":
-  version "7.27.4"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.27.4.tgz#cc1fc55d0ce140a1828d1dd2a2eba285adbfb3ce"
-  integrity sha512-bXYxrXFubeYdvB0NhD/NBB3Qi6aZeV20GOWVI47t2dkecCEoneR4NPVcb7abpXDEvejgrUfFtG6vG/zxAKmg+g==
+"@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==
   dependencies:
     "@ampproject/remapping" "^2.2.0"
     "@babel/code-frame" "^7.27.1"
-    "@babel/generator" "^7.27.3"
+    "@babel/generator" "^7.28.0"
     "@babel/helper-compilation-targets" "^7.27.2"
     "@babel/helper-module-transforms" "^7.27.3"
-    "@babel/helpers" "^7.27.4"
-    "@babel/parser" "^7.27.4"
+    "@babel/helpers" "^7.27.6"
+    "@babel/parser" "^7.28.0"
     "@babel/template" "^7.27.2"
-    "@babel/traverse" "^7.27.4"
-    "@babel/types" "^7.27.3"
+    "@babel/traverse" "^7.28.0"
+    "@babel/types" "^7.28.0"
     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@^7.27.3":
-  version "7.27.3"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.27.3.tgz#ef1c0f7cfe3b5fc8cbb9f6cc69f93441a68edefc"
-  integrity sha512-xnlJYj5zepml8NXtjkG0WquFUv8RskFqyFcVgTBp5k+NaA/8uw/K+OSVf8AMGw5e9HKP2ETd5xpK5MLZQD6b4Q==
+"@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==
   dependencies:
-    "@babel/parser" "^7.27.3"
-    "@babel/types" "^7.27.3"
-    "@jridgewell/gen-mapping" "^0.3.5"
-    "@jridgewell/trace-mapping" "^0.3.25"
+    "@babel/parser" "^7.28.0"
+    "@babel/types" "^7.28.0"
+    "@jridgewell/gen-mapping" "^0.3.12"
+    "@jridgewell/trace-mapping" "^0.3.28"
     jsesc "^3.0.2"
 
 "@babel/helper-annotate-as-pure@^7.24.7":
@@ -134,6 +134,11 @@
     lodash.debounce "^4.0.8"
     resolve "^1.14.2"
 
+"@babel/helper-globals@^7.28.0":
+  version "7.28.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-globals/-/helper-globals-7.28.0.tgz#b9430df2aa4e17bc28665eadeae8aa1d985e6674"
+  integrity sha512-+W6cISkXFa1jXsDEdYA8HeevQT/FULhxzR99pxphltZcVaugps53THCeiWA8SguxxpSp3gKPiuYfSWopkLQ4hw==
+
 "@babel/helper-member-expression-to-functions@^7.27.1":
   version "7.27.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.27.1.tgz#ea1211276be93e798ce19037da6f06fbb994fa44"
@@ -221,13 +226,13 @@
     "@babel/traverse" "^7.27.1"
     "@babel/types" "^7.27.1"
 
-"@babel/helpers@^7.27.4":
-  version "7.27.4"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.27.4.tgz#c79050c6a0e41e095bfc96d469c85431e9ed7fe7"
-  integrity sha512-Y+bO6U+I7ZKaM5G5rDUZiYfUvQPUibYmAFe7EnKdnKBbVXDZxvp+MWOH5gYciY0EPk4EScsuFMQBbEfpdRKSCQ==
+"@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==
   dependencies:
     "@babel/template" "^7.27.2"
-    "@babel/types" "^7.27.3"
+    "@babel/types" "^7.27.6"
 
 "@babel/node@^7.27.1":
   version "7.27.1"
@@ -241,12 +246,12 @@
     regenerator-runtime "^0.14.0"
     v8flags "^3.1.1"
 
-"@babel/parser@^7.19.4", "@babel/parser@^7.27.2", "@babel/parser@^7.27.3", "@babel/parser@^7.27.4":
-  version "7.27.4"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.27.4.tgz#f92e89e4f51847be05427285836fc88341c956df"
-  integrity sha512-BRmLHGwpUqLFR2jzx9orBuX/ABDkj2jLKOXrHDTN2aOKL+jFDDKaRNo9nyYsIl9h/UE/7lMKdDjKQQyxKKDZ7g==
+"@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==
   dependencies:
-    "@babel/types" "^7.27.3"
+    "@babel/types" "^7.28.0"
 
 "@babel/plugin-bugfix-firefox-class-in-computed-class-key@^7.27.1":
   version "7.27.1"
@@ -810,23 +815,23 @@
     "@babel/parser" "^7.27.2"
     "@babel/types" "^7.27.1"
 
-"@babel/traverse@^7.27.1", "@babel/traverse@^7.27.3", "@babel/traverse@^7.27.4":
-  version "7.27.4"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.27.4.tgz#b0045ac7023c8472c3d35effd7cc9ebd638da6ea"
-  integrity sha512-oNcu2QbHqts9BtOWJosOVJapWjBDSxGCpFvikNR5TGDYDQf3JwpIoMzIKrvfoti93cLfPJEG4tH9SPVeyCGgdA==
+"@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==
   dependencies:
     "@babel/code-frame" "^7.27.1"
-    "@babel/generator" "^7.27.3"
-    "@babel/parser" "^7.27.4"
+    "@babel/generator" "^7.28.0"
+    "@babel/helper-globals" "^7.28.0"
+    "@babel/parser" "^7.28.0"
     "@babel/template" "^7.27.2"
-    "@babel/types" "^7.27.3"
+    "@babel/types" "^7.28.0"
     debug "^4.3.1"
-    globals "^11.1.0"
 
-"@babel/types@^7.24.7", "@babel/types@^7.27.1", "@babel/types@^7.27.3", "@babel/types@^7.4.4":
-  version "7.27.3"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.27.3.tgz#c0257bedf33aad6aad1f406d35c44758321eb3ec"
-  integrity sha512-Y1GkI4ktrtvmawoSq+4FCVHNryea6uR+qUQy0AGxLSsjCX0nVmkYQMBLHDkXZuo5hGx7eYdnIaslsdBFm7zbUw==
+"@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"
@@ -861,13 +866,12 @@
     "@jridgewell/set-array" "^1.0.0"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
-"@jridgewell/gen-mapping@^0.3.5":
-  version "0.3.5"
-  resolved "https://registry.yarnpkg.com/@jridgewell/gen-mapping/-/gen-mapping-0.3.5.tgz#dcce6aff74bdf6dad1a95802b69b04a2fcb1fb36"
-  integrity sha512-IzL8ZoEDIBRWEzlCcRhOaCupYyN5gdIK+Q6fbFdPDg6HqX6jpkItn7DFIpW9LQzXG6Df9sA7+OKnq0qlz/GaQg==
+"@jridgewell/gen-mapping@^0.3.12":
+  version "0.3.12"
+  resolved "https://registry.yarnpkg.com/@jridgewell/gen-mapping/-/gen-mapping-0.3.12.tgz#2234ce26c62889f03db3d7fea43c1932ab3e927b"
+  integrity sha512-OuLGC46TjB5BbN1dH8JULVVZY4WTdkF7tV9Ys6wLL1rubZnCMstOhNHueU5bLCrnRuDhKPDM4g6sw4Bel5Gzqg==
   dependencies:
-    "@jridgewell/set-array" "^1.2.1"
-    "@jridgewell/sourcemap-codec" "^1.4.10"
+    "@jridgewell/sourcemap-codec" "^1.5.0"
     "@jridgewell/trace-mapping" "^0.3.24"
 
 "@jridgewell/resolve-uri@^3.1.0":
@@ -875,7 +879,7 @@
   resolved "https://registry.yarnpkg.com/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz#7a0ee601f60f99a20c7c7c5ff0c80388c1189bd6"
   integrity sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==
 
-"@jridgewell/set-array@^1.0.0", "@jridgewell/set-array@^1.2.1":
+"@jridgewell/set-array@^1.0.0":
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/@jridgewell/set-array/-/set-array-1.2.1.tgz#558fb6472ed16a4c850b889530e6b36438c49280"
   integrity sha512-R8gLRTZeyp03ymzP/6Lil/28tGeGEzhx1q2k703KGWRAI1VdvPIXdG70VJc2pAMw3NA6JKL5hhFu1sJX0Mnn/A==
@@ -885,7 +889,12 @@
   resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.15.tgz#d7c6e6755c78567a951e04ab52ef0fd26de59f32"
   integrity sha512-eF2rxCRulEKXHTRiDrDy6erMYWqNw4LPdQ8UQA4huuxaQsVeRPFl2oM8oDGxMFhJUWZf9McpLtJasDDZb/Bpeg==
 
-"@jridgewell/trace-mapping@^0.3.24", "@jridgewell/trace-mapping@^0.3.25", "@jridgewell/trace-mapping@^0.3.9":
+"@jridgewell/sourcemap-codec@^1.5.0":
+  version "1.5.4"
+  resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.4.tgz#7358043433b2e5da569aa02cbc4c121da3af27d7"
+  integrity sha512-VT2+G1VQs/9oz078bLrYbecdZKs912zQlkelYpuf+SXF+QvZDYJlbx/LSx+meSAwdDFnF8FVXW92AVjjkVmgFw==
+
+"@jridgewell/trace-mapping@^0.3.24", "@jridgewell/trace-mapping@^0.3.9":
   version "0.3.25"
   resolved "https://registry.yarnpkg.com/@jridgewell/trace-mapping/-/trace-mapping-0.3.25.tgz#15f190e98895f3fc23276ee14bc76b675c2e50f0"
   integrity sha512-vNk6aEwybGtawWmy/PzwnGDOjCkLWSD2wqvjGGAgOAwCGWySYXfYoxt00IJkTF+8Lb57DwOb3Aa0o9CApepiYQ==
@@ -893,6 +902,14 @@
     "@jridgewell/resolve-uri" "^3.1.0"
     "@jridgewell/sourcemap-codec" "^1.4.14"
 
+"@jridgewell/trace-mapping@^0.3.28":
+  version "0.3.29"
+  resolved "https://registry.yarnpkg.com/@jridgewell/trace-mapping/-/trace-mapping-0.3.29.tgz#a58d31eaadaf92c6695680b2e1d464a9b8fbf7fc"
+  integrity sha512-uw6guiW/gcAGPDhLmd77/6lW8QLeiV5RUTsAX46Db6oLhGaVj4lhnPwb184s1bkc8kdVg/+h988dro8GRDpmYQ==
+  dependencies:
+    "@jridgewell/resolve-uri" "^3.1.0"
+    "@jridgewell/sourcemap-codec" "^1.4.14"
+
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz#7619c2eb21b25483f6d167548b4cfd5a7488c3d5"