diff --git a/pkgs/by-name/pr/protozero/package.nix b/pkgs/by-name/pr/protozero/package.nix
index 9960890cfe29..9fa59741a663 100644
--- a/pkgs/by-name/pr/protozero/package.nix
+++ b/pkgs/by-name/pr/protozero/package.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "protozero";
-  version = "1.8.0";
+  version = "1.8.1";
 
   src = fetchFromGitHub {
     owner = "mapbox";
     repo = "protozero";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-kqR0YLxkRu8WclxaoR/zx+2sRTEZus7dUTbqjBkv12U=";
+    hash = "sha256-69GEAz6wSGMGozsWS9xmoTgyH8mTuDM9mUTCXfVI6f8=";
   };
 
   nativeBuildInputs = [ cmake ];