diff --git a/pkgs/tools/security/rng-tools/default.nix b/pkgs/tools/security/rng-tools/default.nix
index 4238fc5be334..bd289200fe80 100644
--- a/pkgs/tools/security/rng-tools/default.nix
+++ b/pkgs/tools/security/rng-tools/default.nix
@@ -14,13 +14,13 @@ with stdenv.lib;
 
 stdenv.mkDerivation rec {
   pname = "rng-tools";
-  version = "6.8";
+  version = "6.9";
 
   src = fetchFromGitHub {
     owner = "nhorman";
     repo = "rng-tools";
     rev = "v${version}";
-    sha256 = "1clm9i9xg3j79q0d6vinn6dx0nwh1fvzcmkqpcbay7mwsgkknvw2";
+    sha256 = "065jf26s8zkicb95zc9ilksjdq9gqrh5vcx3mhi6mypbnamn6w98";
   };
 
   postPatch = ''