diff --git a/package.json b/package.json
index e979362317b..0c00f42d431 100644
--- a/package.json
+++ b/package.json
@@ -121,7 +121,7 @@
     "ts-node": "10.9.2",
     "ts-unused-exports": "10.0.1",
     "tslib": "2.6.2",
-    "typescript": "5.3.3",
+    "typescript": "5.5.4",
     "webpack": "5.90.0",
     "webpack-cli": "5.1.4",
     "webpack-dev-server": "5.0.4",
diff --git a/packages/comlink-transfer-handlers/package.json b/packages/comlink-transfer-handlers/package.json
index 41807c12c9f..235fccdb502 100644
--- a/packages/comlink-transfer-handlers/package.json
+++ b/packages/comlink-transfer-handlers/package.json
@@ -22,6 +22,6 @@
   "devDependencies": {
     "@foxglove/tsconfig": "2.0.0",
     "comlink": "github:foxglove/comlink#9181fa505671b35b1e66e0a8361a6fc1bdd03307",
-    "typescript": "5.3.3"
+    "typescript": "5.5.4"
   }
 }
diff --git a/packages/hooks/package.json b/packages/hooks/package.json
index 7b58bd0941c..4a24f79229e 100644
--- a/packages/hooks/package.json
+++ b/packages/hooks/package.json
@@ -24,7 +24,7 @@
     "@testing-library/react": "14.0.0",
     "@types/foxglove__web": "workspace:*",
     "@types/lodash-es": "^4",
-    "typescript": "5.3.3"
+    "typescript": "5.5.4"
   },
   "dependencies": {
     "@foxglove/log": "workspace:*",
diff --git a/packages/log/package.json b/packages/log/package.json
index e2838367011..7e7a36f17c4 100644
--- a/packages/log/package.json
+++ b/packages/log/package.json
@@ -21,6 +21,6 @@
   },
   "devDependencies": {
     "@foxglove/tsconfig": "2.0.0",
-    "typescript": "5.3.3"
+    "typescript": "5.5.4"
   }
 }
diff --git a/packages/mcap-support/package.json b/packages/mcap-support/package.json
index 099930b5df8..0cdba1c0048 100644
--- a/packages/mcap-support/package.json
+++ b/packages/mcap-support/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "@foxglove/tsconfig": "2.0.0",
     "@types/protobufjs": "workspace:*",
-    "typescript": "5.3.3"
+    "typescript": "5.5.4"
   },
   "dependencies": {
     "@foxglove/message-definition": "0.3.1",
diff --git a/packages/message-path/package.json b/packages/message-path/package.json
index 6a9f59b1502..9607e937c1c 100644
--- a/packages/message-path/package.json
+++ b/packages/message-path/package.json
@@ -25,6 +25,6 @@
   "devDependencies": {
     "@foxglove/tsconfig": "2.0.0",
     "@types/nearley": "2.11.5",
-    "typescript": "5.3.3"
+    "typescript": "5.5.4"
   }
 }
diff --git a/packages/studio-base/package.json b/packages/studio-base/package.json
index ce974fbf17d..90c78770382 100644
--- a/packages/studio-base/package.json
+++ b/packages/studio-base/package.json
@@ -175,7 +175,7 @@
     "ts-key-enum": "2.0.12",
     "ts-loader": "9.5.1",
     "tss-react": "4.8.6",
-    "typescript": "5.3.3",
+    "typescript": "5.5.4",
     "use-debounce": "10.0.0",
     "use-immer": "0.10.0",
     "uuid": "9.0.1",
diff --git a/packages/studio/package.json b/packages/studio/package.json
index 81fb640467d..cafb642c2b3 100644
--- a/packages/studio/package.json
+++ b/packages/studio/package.json
@@ -20,6 +20,6 @@
   },
   "devDependencies": {
     "@foxglove/tsconfig": "2.0.0",
-    "typescript": "5.3.3"
+    "typescript": "5.5.4"
   }
 }
diff --git a/packages/typescript-transformers/package.json b/packages/typescript-transformers/package.json
index 12478632389..3e90164ce7c 100644
--- a/packages/typescript-transformers/package.json
+++ b/packages/typescript-transformers/package.json
@@ -20,7 +20,7 @@
     "prepack": "tsc -b"
   },
   "dependencies": {
-    "typescript": "5.3.3"
+    "typescript": "5.5.4"
   },
   "devDependencies": {
     "@foxglove/tsconfig": "2.0.0"
diff --git a/yarn.lock b/yarn.lock
index 203a663f6ab..c01f1406eac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2521,7 +2521,7 @@ __metadata:
   dependencies:
     "@foxglove/tsconfig": 2.0.0
     comlink: "github:foxglove/comlink#9181fa505671b35b1e66e0a8361a6fc1bdd03307"
-    typescript: 5.3.3
+    typescript: 5.5.4
   languageName: unknown
   linkType: soft
 
@@ -2595,7 +2595,7 @@ __metadata:
     "@types/lodash-es": ^4
     lodash-es: 4.17.21
     shallowequal: 1.1.0
-    typescript: 5.3.3
+    typescript: 5.5.4
   peerDependencies:
     react: ^18.2.0
   languageName: unknown
@@ -2615,7 +2615,7 @@ __metadata:
   resolution: "@foxglove/log@workspace:packages/log"
   dependencies:
     "@foxglove/tsconfig": 2.0.0
-    typescript: 5.3.3
+    typescript: 5.5.4
   languageName: unknown
   linkType: soft
 
@@ -2641,7 +2641,7 @@ __metadata:
     flatbuffers: 23.5.26
     flatbuffers_reflection: 0.0.7
     protobufjs: "patch:protobufjs@7.2.5#../../patches/protobufjs.patch"
-    typescript: 5.3.3
+    typescript: 5.5.4
   languageName: unknown
   linkType: soft
 
@@ -2666,7 +2666,7 @@ __metadata:
     "@foxglove/tsconfig": 2.0.0
     "@types/nearley": 2.11.5
     nearley: 2.20.1
-    typescript: 5.3.3
+    typescript: 5.5.4
   languageName: unknown
   linkType: soft
 
@@ -3032,7 +3032,7 @@ __metadata:
     ts-key-enum: 2.0.12
     ts-loader: 9.5.1
     tss-react: 4.8.6
-    typescript: 5.3.3
+    typescript: 5.5.4
     use-debounce: 10.0.0
     use-immer: 0.10.0
     uuid: 9.0.1
@@ -3126,7 +3126,7 @@ __metadata:
   resolution: "@foxglove/studio@workspace:packages/studio"
   dependencies:
     "@foxglove/tsconfig": 2.0.0
-    typescript: 5.3.3
+    typescript: 5.5.4
   languageName: unknown
   linkType: soft
 
@@ -3174,7 +3174,7 @@ __metadata:
   resolution: "@foxglove/typescript-transformers@workspace:packages/typescript-transformers"
   dependencies:
     "@foxglove/tsconfig": 2.0.0
-    typescript: 5.3.3
+    typescript: 5.5.4
   languageName: unknown
   linkType: soft
 
@@ -13376,7 +13376,7 @@ __metadata:
     ts-node: 10.9.2
     ts-unused-exports: 10.0.1
     tslib: 2.6.2
-    typescript: 5.3.3
+    typescript: 5.5.4
     vm-browserify: 1.1.2
     webpack: 5.90.0
     webpack-cli: 5.1.4
@@ -22579,13 +22579,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:5.3.3":
-  version: 5.3.3
-  resolution: "typescript@npm:5.3.3"
+"typescript@npm:5.5.4":
+  version: 5.5.4
+  resolution: "typescript@npm:5.5.4"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 2007ccb6e51bbbf6fde0a78099efe04dc1c3dfbdff04ca3b6a8bc717991862b39fd6126c0c3ebf2d2d98ac5e960bcaa873826bb2bb241f14277034148f41f6a2
+  checksum: b309040f3a1cd91c68a5a58af6b9fdd4e849b8c42d837b2c2e73f9a4f96a98c4f1ed398a9aab576ee0a4748f5690cf594e6b99dbe61de7839da748c41e6d6ca8
   languageName: node
   linkType: hard
 
@@ -22599,13 +22599,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@5.3.3#~builtin<compat/typescript>":
-  version: 5.3.3
-  resolution: "typescript@patch:typescript@npm%3A5.3.3#~builtin<compat/typescript>::version=5.3.3&hash=f3b441"
+"typescript@patch:typescript@5.5.4#~builtin<compat/typescript>":
+  version: 5.5.4
+  resolution: "typescript@patch:typescript@npm%3A5.5.4#~builtin<compat/typescript>::version=5.5.4&hash=f3b441"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: f61375590b3162599f0f0d5b8737877ac0a7bc52761dbb585d67e7b8753a3a4c42d9a554c4cc929f591ffcf3a2b0602f65ae3ce74714fd5652623a816862b610
+  checksum: fc52962f31a5bcb716d4213bef516885e4f01f30cea797a831205fc9ef12b405a40561c40eae3127ab85ba1548e7df49df2bcdee6b84a94bfbe3a0d7eff16b14
   languageName: node
   linkType: hard