diff --git a/arcjet-bun/package.json b/arcjet-bun/package.json
index 19146a45e..b42a9ba69 100644
--- a/arcjet-bun/package.json
+++ b/arcjet-bun/package.json
@@ -53,7 +53,7 @@
     "@jest/globals": "29.7.0",
     "@types/node": "20.12.12",
     "@rollup/wasm-node": "4.18.1",
-    "bun-types": "1.1.18",
+    "bun-types": "1.1.20",
     "jest": "29.7.0",
     "typescript": "5.5.3"
   },
diff --git a/package-lock.json b/package-lock.json
index 2bd99b869..d271d373f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -81,7 +81,7 @@
         "@jest/globals": "29.7.0",
         "@rollup/wasm-node": "4.18.1",
         "@types/node": "20.12.12",
-        "bun-types": "1.1.18",
+        "bun-types": "1.1.20",
         "jest": "29.7.0",
         "typescript": "5.5.3"
       }
@@ -2753,9 +2753,9 @@
       "dev": true
     },
     "node_modules/bun-types": {
-      "version": "1.1.18",
-      "resolved": "https://registry.npmjs.org/bun-types/-/bun-types-1.1.18.tgz",
-      "integrity": "sha512-m5GnQrIpQdRyfWRoa5pvwpVAMDiQR1GTgMMZNvBWzJ+k2/fC55NRFZCEsXFE38HLFpM57o/diAjP3rgacdA4Eg==",
+      "version": "1.1.20",
+      "resolved": "https://registry.npmjs.org/bun-types/-/bun-types-1.1.20.tgz",
+      "integrity": "sha512-2u84HciDR3E7Uc0t0AEeXHmQAWe9uzRKTz120D3silIJOQlbGIMJMJiGaM8Yx7nEvMyfV0LfSdkEGnb77AN5AA==",
       "dev": true,
       "dependencies": {
         "@types/node": "~20.12.8",