diff --git a/pkgs/development/libraries/protozero/default.nix b/pkgs/development/libraries/protozero/default.nix
index a18d768c288c..25e0f14d026b 100644
--- a/pkgs/development/libraries/protozero/default.nix
+++ b/pkgs/development/libraries/protozero/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "protozero-${version}";
-  version = "1.6.7";
+  version = "1.6.8";
 
   src = fetchFromGitHub {
     owner = "mapbox";
     repo = "protozero";
     rev = "v${version}";
-    sha256 = "1ryvn3iwxiaih3mvyy45nbwxnhzfc8vby0xh9m6d6fpakhcpf6s3";
+    sha256 = "1hfijpfylf1c71wa3mk70gjc88b6k1q7cxb87cwqdflw5q2x8ma6";
   };
 
   nativeBuildInputs = [ cmake ];