diff --git a/package-lock.json b/package-lock.json
index 0817efb6a..e77275486 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7035,27 +7035,33 @@
       }
     },
     "node_modules/playwright": {
-      "version": "1.28.1",
-      "hasInstallScript": true,
+      "version": "1.55.1",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.55.1.tgz",
+      "integrity": "sha512-cJW4Xd/G3v5ovXtJJ52MAOclqeac9S/aGGgRzLabuF8TnIb6xHvMzKIa6JmrRzUkeXJgfL1MhukP0NK6l39h3A==",
       "license": "Apache-2.0",
       "dependencies": {
-        "playwright-core": "1.28.1"
+        "playwright-core": "1.55.1"
       },
       "bin": {
         "playwright": "cli.js"
       },
       "engines": {
-        "node": ">=14"
+        "node": ">=18"
+      },
+      "optionalDependencies": {
+        "fsevents": "2.3.2"
       }
     },
     "node_modules/playwright-core": {
-      "version": "1.28.1",
+      "version": "1.55.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.55.1.tgz",
+      "integrity": "sha512-Z6Mh9mkwX+zxSlHqdr5AOcJnfp+xUWLCt9uKV18fhzA8eyxUd8NUWzAjxUh55RZKSYwDGX0cfaySdhZJGMoJ+w==",
       "license": "Apache-2.0",
       "bin": {
-        "playwright": "cli.js"
+        "playwright-core": "cli.js"
       },
       "engines": {
-        "node": ">=14"
+        "node": ">=18"
       }
     },
     "node_modules/please-upgrade-node": {
@@ -9265,7 +9271,7 @@
         "jsdom": "^17.0.0",
         "minisearch": "^3.0.4",
         "outdent": "^0.8.0",
-        "playwright": "^1.28.1",
+        "playwright": "^1.55.1",
         "source-map": "^0.8.0-beta.0",
         "strip-comments": "^2.0.1",
         "striptags": "^3.2.0",
diff --git a/packages/lit-dev-tools-cjs/package.json b/packages/lit-dev-tools-cjs/package.json
index 494383570..41a104c94 100644
--- a/packages/lit-dev-tools-cjs/package.json
+++ b/packages/lit-dev-tools-cjs/package.json
@@ -46,7 +46,7 @@
     "jsdom": "^17.0.0",
     "minisearch": "^3.0.4",
     "outdent": "^0.8.0",
-    "playwright": "^1.28.1",
+    "playwright": "^1.55.1",
     "source-map": "^0.8.0-beta.0",
     "strip-comments": "^2.0.1",
     "striptags": "^3.2.0",