diff --git a/package.json b/package.json
index d7ef31c115..4e2d15e734 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "@mantine/hooks": "^7.11.2",
     "@octokit/rest": "^20.0.0",
     "@reduxjs/toolkit": "^1.9.7",
-    "@sentry/browser": "^8.33.0",
+    "@sentry/browser": "^9.0.0",
     "@sourceacademy/c-slang": "^1.0.21",
     "@sourceacademy/sharedb-ace": "^2.0.3",
     "@sourceacademy/sling-client": "^0.1.0",
diff --git a/yarn.lock b/yarn.lock
index 7e85ed01cc..a50f5a8ed2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3290,61 +3290,61 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@sentry-internal/browser-utils@npm:8.55.0":
-  version: 8.55.0
-  resolution: "@sentry-internal/browser-utils@npm:8.55.0"
+"@sentry-internal/browser-utils@npm:9.40.0":
+  version: 9.40.0
+  resolution: "@sentry-internal/browser-utils@npm:9.40.0"
   dependencies:
-    "@sentry/core": "npm:8.55.0"
-  checksum: 10c0/201eb94ee64a4dab058153c64dd4ce0af082f3c3bc84a5441cdadf344d9554a0a67c9d9dfdff720eb42de214d67d734d5bda25a050c2efd59c03f60562bb139a
+    "@sentry/core": "npm:9.40.0"
+  checksum: 10c0/d78bdec3b8177ea8977dc598a13d7ff9141f2d1431c6cecb3cb6b5820714a02367313f39dc1051bdd94680f86731bd70e1d93b1bcd4c6ab09a699098d6fbdeb1
   languageName: node
   linkType: hard
 
-"@sentry-internal/feedback@npm:8.55.0":
-  version: 8.55.0
-  resolution: "@sentry-internal/feedback@npm:8.55.0"
+"@sentry-internal/feedback@npm:9.40.0":
+  version: 9.40.0
+  resolution: "@sentry-internal/feedback@npm:9.40.0"
   dependencies:
-    "@sentry/core": "npm:8.55.0"
-  checksum: 10c0/2515c4eca6226e3df28a498f7f3771d7820556887bf8c06f2d5469c92474cf72ed81eaa0079f6bcf46905c54315e2631bb7b9ed7ed6741cf9b7f73a3f4875acc
+    "@sentry/core": "npm:9.40.0"
+  checksum: 10c0/2476aa844c4d91fa6dcbf309b053f4abf96273a120ffb2dd6fb368b0bd03ec01773ed21c68972c3d7051f86b83967f5536c630f52f06db85e79b5f3245390ca0
   languageName: node
   linkType: hard
 
-"@sentry-internal/replay-canvas@npm:8.55.0":
-  version: 8.55.0
-  resolution: "@sentry-internal/replay-canvas@npm:8.55.0"
+"@sentry-internal/replay-canvas@npm:9.40.0":
+  version: 9.40.0
+  resolution: "@sentry-internal/replay-canvas@npm:9.40.0"
   dependencies:
-    "@sentry-internal/replay": "npm:8.55.0"
-    "@sentry/core": "npm:8.55.0"
-  checksum: 10c0/6f3c619ede1de47635035f74477dd5a11e5c2cac9d0906448a7fffb6dad1c5bd9a49a594fbc2a51ba3b1859a91f60e08ab6de2d9961ccbaa343af580f1d13fb1
+    "@sentry-internal/replay": "npm:9.40.0"
+    "@sentry/core": "npm:9.40.0"
+  checksum: 10c0/ae625df3c2410e0ef98148aba02b2def5e31a1cc9af2bb51630ce2b0351702fe241005c6437de70777913bd0623846dc3facbdff7cb714936c3b226fd9cb21ae
   languageName: node
   linkType: hard
 
-"@sentry-internal/replay@npm:8.55.0":
-  version: 8.55.0
-  resolution: "@sentry-internal/replay@npm:8.55.0"
+"@sentry-internal/replay@npm:9.40.0":
+  version: 9.40.0
+  resolution: "@sentry-internal/replay@npm:9.40.0"
   dependencies:
-    "@sentry-internal/browser-utils": "npm:8.55.0"
-    "@sentry/core": "npm:8.55.0"
-  checksum: 10c0/320fd5685c1e84c5feebaa88fc72afd0bd5189b95d690f8c24301cd8b13789431b2c1d28e3e5a93f669ca3b80cdc830e672723aa7a28ff8f0b901674ce0c0529
+    "@sentry-internal/browser-utils": "npm:9.40.0"
+    "@sentry/core": "npm:9.40.0"
+  checksum: 10c0/c6b4a8ab2f56199607e56952f751b1a0734916d0861ddd583aed883b829e96a48ba0733a6578b66b6f8d4f2efc7e6d659698cdbd6c54b4120a22aa7d9d5144b2
   languageName: node
   linkType: hard
 
-"@sentry/browser@npm:^8.33.0":
-  version: 8.55.0
-  resolution: "@sentry/browser@npm:8.55.0"
+"@sentry/browser@npm:^9.0.0":
+  version: 9.40.0
+  resolution: "@sentry/browser@npm:9.40.0"
   dependencies:
-    "@sentry-internal/browser-utils": "npm:8.55.0"
-    "@sentry-internal/feedback": "npm:8.55.0"
-    "@sentry-internal/replay": "npm:8.55.0"
-    "@sentry-internal/replay-canvas": "npm:8.55.0"
-    "@sentry/core": "npm:8.55.0"
-  checksum: 10c0/a485de7385851c96ed4c2291d065594aeea2076b11b3b113f4866fdbff1522524abd97664f0d0b011e0eff6c4986a556f080bccfa1b770466c6afcb6122dfbaf
+    "@sentry-internal/browser-utils": "npm:9.40.0"
+    "@sentry-internal/feedback": "npm:9.40.0"
+    "@sentry-internal/replay": "npm:9.40.0"
+    "@sentry-internal/replay-canvas": "npm:9.40.0"
+    "@sentry/core": "npm:9.40.0"
+  checksum: 10c0/011cb1fa2db804f666dbd96712523b6226eda41e5c3cb5c6f50fc97d45315ce8fc05134555ac95aeef922137ecd29cf4854c8bb9d10882c723455bc257506772
   languageName: node
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-"@sentry/core@npm:8.55.0":
-  version: 8.55.0
-  resolution: "@sentry/core@npm:8.55.0"
-  checksum: 10c0/51c1768f0bd940a060787b402dba9df3347c918ea4c0fdc300d45c37703ebbf6f7adee9fff332cfd6b23372b33c46e6d2f31a04227762d490aaddc14773894a0
+"@sentry/core@npm:9.40.0":
+  version: 9.40.0
+  resolution: "@sentry/core@npm:9.40.0"
+  checksum: 10c0/724724fc4ba1e014f2104758eee8a54bb3d1ac8a037209bb61c908cdd5efa2c4ecba4a68ddbe35f5dbbc842b4bcd073d3395ae49960a9277f1af2f6440ccaa4c
   languageName: node
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@@ -7750,7 +7750,7 @@ __metadata:
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     "@rsbuild/plugin-sass": "npm:^1.3.1"
     "@rsbuild/plugin-svgr": "npm:^1.2.0"
-    "@sentry/browser": "npm:^8.33.0"
+    "@sentry/browser": "npm:^9.0.0"
     "@sourceacademy/c-slang": "npm:^1.0.21"
     "@sourceacademy/sharedb-ace": "npm:^2.0.3"
     "@sourceacademy/sling-client": "npm:^0.1.0"