diff --git a/bun/conformance/package.json b/bun/conformance/package.json
index 94a62ade4..55a1bace3 100644
--- a/bun/conformance/package.json
+++ b/bun/conformance/package.json
@@ -12,7 +12,7 @@
   },
   "type": "module",
   "devDependencies": {
-    "@types/bun": "^1.4.0",
+    "@types/bun": "^1.4.2",
     "@bufbuild/buf": "^1.73.0",
     "@bufbuild/protobuf": "2.16.0",
     "@bufbuild/protoc-gen-es": "2.16.0",
diff --git a/package-lock.json b/package-lock.json
index abd0d551c..a19f2ff19 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,20 +41,10 @@
         "@bufbuild/buf": "^1.73.0",
         "@bufbuild/protobuf": "2.16.0",
         "@bufbuild/protoc-gen-es": "2.16.0",
-        "@types/bun": "^1.4.0",
+        "@types/bun": "^1.4.2",
         "protobuf-conformance": "36.2.0"
       }
     },
-    "bun/conformance/node_modules/@types/bun": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/@types/bun/-/bun-1.4.0.tgz",
-      "integrity": "sha512-K+lZULY23vRgK/CfTjFIV+tyifaNdSMlPh9j+6mQ/cLfpOznLyAuzgV/JQysyECpkBQLVMSyvjlr2fBUSA9wFQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "bun-types": "1.4.0"
-      }
-    },
     "deno/conformance": {
       "name": "@bufbuild/deno-conformance",
       "devDependencies": {
@@ -1039,6 +1029,16 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/bun": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/@types/bun/-/bun-1.4.2.tgz",
+      "integrity": "sha512-GimotNn7+ZV0uVArItBbriZsR1oNf0+WTzPkdcFrzShI7k2norL0uzEaJT8T33dWr7O/c9ZDuAFQrctKCi72oQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "bun-types": "1.4.2"
+      }
+    },
     "node_modules/@types/node": {
       "version": "26.0.0",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.0.tgz",
@@ -1130,9 +1130,9 @@
       }
     },
     "node_modules/bun-types": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/bun-types/-/bun-types-1.4.0.tgz",
-      "integrity": "sha512-iIKw23BspnQQYd3prITOBxeUsxBHnwzX6YJfGMuNOZzeNcMmVqzIIVGRm1l69ogaPQmb4wB6BN8mA5bE9YuC5Q==",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/bun-types/-/bun-types-1.4.2.tgz",
+      "integrity": "sha512-bxV1FgK7yBIzjRe5zBozIM4Bem11ZJcCXSrjWRG3YWLt8yFDePu4cLjpebO8OvPeIE9trbyPF4fuj3Cia4Fj3w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {