diff --git a/package.json b/package.json
index 4fef90e1..e57952c3 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "eslint-plugin-prettier": "^3.1.4",
     "lerna": "^3.19.0",
     "prettier": "2.8.8",
-    "typescript": "^4.0.3"
+    "typescript": "^5.2.2"
   },
   "prettier": {
     "semi": false,
diff --git a/packages/pg-cloudflare/package.json b/packages/pg-cloudflare/package.json
index bafd5993..0ee49e4a 100644
--- a/packages/pg-cloudflare/package.json
+++ b/packages/pg-cloudflare/package.json
@@ -7,7 +7,7 @@
   "license": "MIT",
   "devDependencies": {
     "ts-node": "^8.5.4",
-    "typescript": "^4.0.3"
+    "typescript": "^5.2.2"
   },
   "exports": {
     "workerd": "./dist/index.js",
diff --git a/packages/pg-protocol/package.json b/packages/pg-protocol/package.json
index ff56dc3b..b9d0c9ed 100644
--- a/packages/pg-protocol/package.json
+++ b/packages/pg-protocol/package.json
@@ -13,7 +13,7 @@
     "chunky": "^0.0.0",
     "mocha": "^7.1.2",
     "ts-node": "^8.5.4",
-    "typescript": "^4.0.3"
+    "typescript": "^5.2.2"
   },
   "scripts": {
     "test": "mocha dist/**/*.test.js",
diff --git a/packages/pg-query-stream/package.json b/packages/pg-query-stream/package.json
index 6c083700..3facd9a7 100644
--- a/packages/pg-query-stream/package.json
+++ b/packages/pg-query-stream/package.json
@@ -40,7 +40,7 @@
     "pg": "^8.11.2",
     "stream-spec": "~0.3.5",
     "ts-node": "^8.5.4",
-    "typescript": "^4.0.3"
+    "typescript": "^5.2.2"
   },
   "peerDependencies": {
     "pg": "^8"
diff --git a/packages/pg/package.json b/packages/pg/package.json
index 117bfc3f..8fe8976a 100644
--- a/packages/pg/package.json
+++ b/packages/pg/package.json
@@ -34,7 +34,7 @@
     "bluebird": "3.5.2",
     "co": "4.6.0",
     "pg-copy-streams": "0.3.0",
-    "typescript": "^4.0.3",
+    "typescript": "^5.2.2",
     "workerd": "^1.20230419.0",
     "wrangler": "^2.16.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 3ce65f3c..b35308fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6839,10 +6839,10 @@ typedarray@^0.0.6:
   resolved "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^4.0.3:
-  version "4.8.4"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz"
-  integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==
+typescript@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.2.2.tgz#5ebb5e5a5b75f085f22bc3f8460fba308310fa78"
+  integrity sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==
 
 uglify-js@^3.1.4:
   version "3.13.5"