diff --git a/fix-firefox.nix b/fix-firefox.nix
index 3dde01a..6801504 100644
--- a/fix-firefox.nix
+++ b/fix-firefox.nix
@@ -19,7 +19,8 @@
         f=localization/en-US/browser/browserSets.ftl
         mkdir browser
         cd browser
-        unzip $j
+        # corrupt zip files??
+        unzip $j || true
         patch $f <${./fix-firefox.patch}
         rm $j
         zip -0DXqr $j *
diff --git a/flake.lock b/flake.lock
index 7cd70dc..99953e9 100644
--- a/flake.lock
+++ b/flake.lock
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1648390671,
-        "narHash": "sha256-u69opCeHUx3CsdIerD0wVSR+DjfDQjnztObqfk9Trqc=",
+        "lastModified": 1648632716,
+        "narHash": "sha256-kCmnDeiaMsdhfnNKjxdOzwRh2H6eQb8yWAL+nNabC/Y=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "ce8cbe3c01fd8ee2de526ccd84bbf9b82397a510",
+        "rev": "710fed5a2483f945b14f4a58af2cd3676b42d8c8",
         "type": "github"
       },
       "original": {