diff --git a/tools/agent-browser/package-lock.json b/tools/agent-browser/package-lock.json
index b2a2fb7..2e813ca 100644
--- a/tools/agent-browser/package-lock.json
+++ b/tools/agent-browser/package-lock.json
@@ -6,13 +6,13 @@
     "": {
       "name": "withe-e2e-agent-browser",
       "devDependencies": {
-        "agent-browser": "0.39.4"
+        "agent-browser": "0.40.0"
       }
     },
     "node_modules/agent-browser": {
-      "version": "0.39.4",
-      "resolved": "https://registry.npmjs.org/agent-browser/-/agent-browser-0.39.4.tgz",
-      "integrity": "sha512-R0ue5CWlpkGtbcXeq3ZKM96zLrCXkNKEGyttgWhi0eSNKoNSvxglvv1/D9NhKxe+MI+djiCFepPd4PYOM0H2Rg==",
+      "version": "0.40.0",
+      "resolved": "https://registry.npmjs.org/agent-browser/-/agent-browser-0.40.0.tgz",
+      "integrity": "sha512-uqDAR3ozwJKYzVENMr/ZKYTZT1LUZauI49rTiK/KsFBxQDVTdtmrWGWTMWZlaIIQWToEtZUfWVXBSSTY6aHzrA==",
       "dev": true,
       "hasInstallScript": true,
       "license": "Apache-2.0",
diff --git a/tools/agent-browser/package.json b/tools/agent-browser/package.json
index dc29a22..8ada16f 100644
--- a/tools/agent-browser/package.json
+++ b/tools/agent-browser/package.json
@@ -3,6 +3,6 @@
   "private": true,
   "description": "Lockfile for the agent-browser CLI that the e2e workflow installs with npm ci. Kept apart from the root package.json so that npm ci at the root does not install it.",
   "devDependencies": {
-    "agent-browser": "0.39.4"
+    "agent-browser": "0.40.0"
   }
 }