diff --git a/pkgs/development/libraries/ethash/default.nix b/pkgs/development/libraries/ethash/default.nix
index 3522ff231ab..749005e09a9 100644
--- a/pkgs/development/libraries/ethash/default.nix
+++ b/pkgs/development/libraries/ethash/default.nix
@@ -3,14 +3,14 @@
 
 stdenv.mkDerivation rec {
   pname = "ethash";
-  version = "0.4.4";
+  version = "0.5.2";
 
   src =
     fetchFromGitHub {
       owner = "chfast";
       repo = "ethash";
       rev = "v${version}";
-      sha256 = "1gfs8s4nv2ikkn3rhzifr0dx5m0c1kpnhmzf8x6zlwhw3qwlc98w";
+      sha256 = "0shr3m33raxy9j2mpm3q9mdbchs3nhgfaywidyxgmwqaiw1xpyif";
     };
 
   nativeBuildInputs = [