diff --git a/pkgs/by-name/pr/protobufc/package.nix b/pkgs/by-name/pr/protobufc/package.nix
index 7273982206f5..8531f723018e 100644
--- a/pkgs/by-name/pr/protobufc/package.nix
+++ b/pkgs/by-name/pr/protobufc/package.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "protobuf-c";
-  version = "1.5.1";
+  version = "1.5.2";
 
   src = fetchFromGitHub {
     owner = "protobuf-c";
     repo = "protobuf-c";
     tag = "v${version}";
-    hash = "sha256-usfONVSq0/V9GRrBx9RwO/hCrVJ8d17mvAgTKpKUssQ=";
+    hash = "sha256-bpxk2o5rYLFkx532A3PYyhh2MwVH2Dqf3p/bnNpQV7s=";
   };
 
   outputs = [