diff --git a/bun.lock b/bun.lock
index b289b26..3c94ef3 100644
--- a/bun.lock
+++ b/bun.lock
@@ -20,7 +20,7 @@
       },
       "devDependencies": {
         "@davidvornholt/typescript-config": "workspace:*",
-        "@types/bun": "^1.4.0",
+        "@types/bun": "^1.4.1",
         "typescript": "7.0.2",
       },
     },
@@ -35,7 +35,7 @@
       },
       "devDependencies": {
         "@davidvornholt/typescript-config": "workspace:*",
-        "@types/bun": "^1.4.0",
+        "@types/bun": "^1.4.1",
         "sigstore": "5.0.0",
         "typescript": "7.0.2",
       },
@@ -44,7 +44,7 @@
       "name": "@davidvornholt/typescript-config",
       "version": "0.0.0",
       "devDependencies": {
-        "@types/bun": "^1.4.0",
+        "@types/bun": "^1.4.1",
         "typescript": "7.0.2",
       },
     },
@@ -114,7 +114,7 @@
 
     "@turbo/windows-arm64": ["@turbo/windows-arm64@2.10.12", "", { "os": "win32", "cpu": "arm64" }, "sha512-0i0mVUa4kKk+/B3RwEwPMf9CB+T7ul56hn5FFHNA4VUNTOoLBEd6aNf3FaKfCatDNZ6cicCEf6if9QUTVyzzcA=="],
 
-    "@types/bun": ["@types/bun@1.4.0", "", { "dependencies": { "bun-types": "1.4.0" } }, "sha512-K+lZULY23vRgK/CfTjFIV+tyifaNdSMlPh9j+6mQ/cLfpOznLyAuzgV/JQysyECpkBQLVMSyvjlr2fBUSA9wFQ=="],
+    "@types/bun": ["@types/bun@1.4.1", "", { "dependencies": { "bun-types": "1.4.1" } }, "sha512-0AVGiTXGajf1rgKom3N+c5L7CBxuoyyv1i44M0nX4UDK0G/fnRAMiri93nHuVPIb429KKtAgj7HatVmmOjeQLA=="],
 
     "@types/node": ["@types/node@26.1.0", "", { "dependencies": { "undici-types": "~8.3.0" } }, "sha512-O0A1G3xPGy4w7AgQdAQYUlQ+BKk2Oovw8eRpofyp5KdBZULnbe+WqaOVNrm705SHphCiG4XHsACrSmPu1f+Kgw=="],
 
@@ -166,7 +166,7 @@
 
     "brace-expansion": ["brace-expansion@5.0.7", "", { "dependencies": { "balanced-match": "^4.0.2" } }, "sha512-7oFy703dxfY3/NLxC1fh2SUCQ0H9rmAY+5EpDVfXjUTTs+HEwR2nYaqLv+GWcTsumwxPfiz6CzCNkwXwBUwqCA=="],
 
-    "bun-types": ["bun-types@1.4.0", "", { "dependencies": { "@types/node": "*" } }, "sha512-iIKw23BspnQQYd3prITOBxeUsxBHnwzX6YJfGMuNOZzeNcMmVqzIIVGRm1l69ogaPQmb4wB6BN8mA5bE9YuC5Q=="],
+    "bun-types": ["bun-types@1.4.1", "", { "dependencies": { "@types/node": "*" } }, "sha512-loKuVrAFZKfEv+JvWkHRS9GW5IqLuLRjVXN9p+vZvBN86O5hf/pBZQ5hSoyipsrMmWObZBDvWnlmKvjKTM0PdA=="],
 
     "cacache": ["cacache@21.0.1", "", { "dependencies": { "@npmcli/fs": "^6.0.0", "fs-minipass": "^3.0.0", "glob": "^13.0.0", "lru-cache": "^11.1.0", "minipass": "^7.0.3", "minipass-collect": "^2.0.1", "minipass-flush": "^1.0.5", "minipass-pipeline": "^1.2.4", "p-map": "^7.0.2", "ssri": "^14.0.0" } }, "sha512-pTwz/uj3Jyp6WXdJ6fWhR+7LVxVs6RyroQSn7KJwHsSxXuyGSp0pcMVcwSwTpCFq1X2YG8QBe0W+vN+cr0SwzA=="],
 
diff --git a/packages/a11y-testing/package.json b/packages/a11y-testing/package.json
index 2e02994..9ad7a2b 100644
--- a/packages/a11y-testing/package.json
+++ b/packages/a11y-testing/package.json
@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@davidvornholt/typescript-config": "workspace:*",
-    "@types/bun": "^1.4.0",
+    "@types/bun": "^1.4.1",
     "typescript": "7.0.2"
   },
   "dependencies": {
diff --git a/packages/standards-cli/package.json b/packages/standards-cli/package.json
index 69e4700..9d6f92a 100644
--- a/packages/standards-cli/package.json
+++ b/packages/standards-cli/package.json
@@ -184,7 +184,7 @@
   },
   "devDependencies": {
     "@davidvornholt/typescript-config": "workspace:*",
-    "@types/bun": "^1.4.0",
+    "@types/bun": "^1.4.1",
     "sigstore": "5.0.0",
     "typescript": "7.0.2"
   },
diff --git a/packages/typescript-config/package.json b/packages/typescript-config/package.json
index 6f01374..6da2d78 100644
--- a/packages/typescript-config/package.json
+++ b/packages/typescript-config/package.json
@@ -16,7 +16,7 @@
     "test": "bun test"
   },
   "devDependencies": {
-    "@types/bun": "^1.4.0",
+    "@types/bun": "^1.4.1",
     "typescript": "7.0.2"
   }
 }