diff --git a/pkgs/applications/networking/browsers/chromium/info.json b/pkgs/applications/networking/browsers/chromium/info.json
index 7af67049ae446..d17a75454052d 100644
--- a/pkgs/applications/networking/browsers/chromium/info.json
+++ b/pkgs/applications/networking/browsers/chromium/info.json
@@ -766,7 +766,7 @@
     }
   },
   "ungoogled-chromium": {
-    "version": "131.0.6778.69",
+    "version": "131.0.6778.85",
     "deps": {
       "depot_tools": {
         "rev": "20b9bdcace7ed561d6a75728c85373503473cb6b",
@@ -777,16 +777,16 @@
         "hash": "sha256-a8yCdBsl0nBMPS+pCLwrkAvQNP/THx/z/GySyOgx4Jk="
       },
       "ungoogled-patches": {
-        "rev": "131.0.6778.69-1",
-        "hash": "sha256-1XKlIO8aH3eHNiF4fPJGymo1MGUgHlqD98vWjHGMWHY="
+        "rev": "131.0.6778.85-1",
+        "hash": "sha256-mcSshjdfUEH4ur4z+0P0oWCjlV8EhFMc+7rdfIIPASI="
       },
       "npmHash": "sha256-b1l8SwjAfoColoa3zhTMPEF/rRuxzT3ATHE77rWU5EA="
     },
     "DEPS": {
       "src": {
         "url": "https://chromium.googlesource.com/chromium/src.git",
-        "rev": "131.0.6778.69",
-        "hash": "sha256-GbhiqLRC5Kilo84XwYHnosNUgtZNCwmuzSOkP6if/8s=",
+        "rev": "131.0.6778.85",
+        "hash": "sha256-fREToEHVbTD0IVGx/sn7csSju4BYajWZ+LDCiKWV4cI=",
         "recompress": true
       },
       "src/third_party/clang-format/script": {
@@ -886,8 +886,8 @@
       },
       "src/third_party/dawn": {
         "url": "https://dawn.googlesource.com/dawn.git",
-        "rev": "cdc5b4dc1ee1482378b545b6c1efa1a234195ab5",
-        "hash": "sha256-HtLdotDYA0fsUyFkk/nhJ+GPC+GkbwfmyPbJLKAyKdE="
+        "rev": "7e742cac42c29a14ab7f54b134b2f17592711267",
+        "hash": "sha256-K2gwKNwonzCIu4hnlYuOaYyKaRV11hwDzF4oykiKsl0="
       },
       "src/third_party/dawn/third_party/glfw": {
         "url": "https://chromium.googlesource.com/external/github.com/glfw/glfw",
@@ -1526,8 +1526,8 @@
       },
       "src/v8": {
         "url": "https://chromium.googlesource.com/v8/v8.git",
-        "rev": "7075674f24f09d3b30913710a31e8793c131000a",
-        "hash": "sha256-N6FB/ocU1KIAGoYTnAl42qjrjatuD5fooRu93akPUjM="
+        "rev": "bd2671b973062afc614b852ec190524b80aaef8a",
+        "hash": "sha256-uq0CE7Chqzy2d+iifC3hV9RTnDVinpwjl1pOzyNGbSo="
       }
     }
   }
diff --git a/pkgs/applications/networking/browsers/chromium/update.mjs b/pkgs/applications/networking/browsers/chromium/update.mjs
index 6a596c354a4c6..7bbb7794c3565 100755
--- a/pkgs/applications/networking/browsers/chromium/update.mjs
+++ b/pkgs/applications/networking/browsers/chromium/update.mjs
@@ -38,7 +38,7 @@ for (const attr_path of Object.keys(lockfile)) {
   }
 
   const ungoogled = attr_path === 'ungoogled-chromium'
-  const version_nixpkgs = !ungoogled ? lockfile[attr_path].version : lockfile[attr_path].deps["ungoogled-patches"].rev
+  const version_nixpkgs = !ungoogled ? lockfile[attr_path].version : lockfile[attr_path].deps['ungoogled-patches'].rev
   const version_upstream = !ungoogled ? await get_latest_chromium_release() : await get_latest_ungoogled_release()
 
   console.log(`[${attr_path}] ${chalk.red(version_nixpkgs)} (nixpkgs)`)
@@ -56,7 +56,7 @@ for (const attr_path of Object.keys(lockfile)) {
       deps: {
         depot_tools: {},
         gn: {},
-        "ungoogled-patches": ungoogled ? await fetch_ungoogled(version_upstream) : undefined,
+        'ungoogled-patches': ungoogled ? await fetch_ungoogled(version_upstream) : undefined,
         npmHash: dummy_hash,
       },
       DEPS: {},
@@ -84,18 +84,28 @@ for (const attr_path of Object.keys(lockfile)) {
         value.recompress = true
       }
 
-      const cache = lockfile_initial[attr_path].DEPS[path]
-      const cache_hit =
-        cache !== undefined &&
-        value.url === cache.url &&
-        value.rev === cache.rev &&
-        value.recompress === cache.recompress &&
-        cache.hash !== undefined &&
-        cache.hash !== '' &&
-        cache.hash !== dummy_hash
+      const cache_hit = (() => {
+        for (const attr_path in lockfile_initial) {
+          const cache = lockfile_initial[attr_path].DEPS[path]
+          const hits_cache =
+            cache !== undefined &&
+            value.url === cache.url &&
+            value.rev === cache.rev &&
+            value.recompress === cache.recompress &&
+            cache.hash !== undefined &&
+            cache.hash !== '' &&
+            cache.hash !== dummy_hash
+
+          if (hits_cache) {
+            cache.attr_path = attr_path
+            return cache;
+          }
+        }
+      })();
+
       if (cache_hit) {
-        console.log(`[${chalk.green(path)}] Reusing hash from previous info.json for ${cache.url}@${cache.rev}`)
-        value.hash = cache.hash
+        console.log(`[${chalk.green(path)}] Reusing hash from previous info.json for ${cache_hit.url}@${cache_hit.rev} from ${cache_hit.attr_path}`)
+        value.hash = cache_hit.hash
         continue
       }