diff --git a/cirq-web/cirq_ts/package-lock.json b/cirq-web/cirq_ts/package-lock.json
index ba79df0dfc7..8f52e00b48d 100644
--- a/cirq-web/cirq_ts/package-lock.json
+++ b/cirq-web/cirq_ts/package-lock.json
@@ -34,7 +34,7 @@
         "mocha": "^9.0.0",
         "npm": "^10.8.3",
         "nyc": "^15.1.0",
-        "pixelmatch": "^5.2.1",
+        "pixelmatch": "^6.0.0",
         "pngjs": "^6.0.0",
         "puppeteer": "^19.6.3",
         "temp": "^0.9.4",
@@ -11309,18 +11309,26 @@
       }
     },
     "node_modules/pixelmatch": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-5.3.0.tgz",
-      "integrity": "sha512-o8mkY4E/+LNUf6LzX96ht6k6CEDi65k9G2rjMtBe9Oo+VPKSvl+0GKHuH/AlG+GA5LPG/i5hrekkxUc3s2HU+Q==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-6.0.0.tgz",
+      "integrity": "sha512-FYpL4XiIWakTnIqLqvt3uN4L9B3TsuHIvhLILzTiJZMJUsGvmKNeL4H3b6I99LRyerK9W4IuOXw+N28AtRgK2g==",
       "dev": true,
-      "license": "ISC",
       "dependencies": {
-        "pngjs": "^6.0.0"
+        "pngjs": "^7.0.0"
       },
       "bin": {
         "pixelmatch": "bin/pixelmatch"
       }
     },
+    "node_modules/pixelmatch/node_modules/pngjs": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-7.0.0.tgz",
+      "integrity": "sha512-LKWqWJRhstyYo9pGvgor/ivk2w94eSjE3RGVuzLGlr3NmD8bf7RcYGze1mNdEHRP6TRP6rMuDHk5t44hnTRyow==",
+      "dev": true,
+      "engines": {
+        "node": ">=14.19.0"
+      }
+    },
     "node_modules/pkg-dir": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz",
diff --git a/cirq-web/cirq_ts/package.json b/cirq-web/cirq_ts/package.json
index 4fc632e7250..9348e380b40 100644
--- a/cirq-web/cirq_ts/package.json
+++ b/cirq-web/cirq_ts/package.json
@@ -30,7 +30,7 @@
     "mocha": "^9.0.0",
     "npm": "^10.8.3",
     "nyc": "^15.1.0",
-    "pixelmatch": "^5.2.1",
+    "pixelmatch": "^6.0.0",
     "pngjs": "^6.0.0",
     "puppeteer": "^19.6.3",
     "temp": "^0.9.4",