diff --git a/pkgs/tools/security/rng-tools/default.nix b/pkgs/tools/security/rng-tools/default.nix
index 617224a6af3..76aea2bbd51 100644
--- a/pkgs/tools/security/rng-tools/default.nix
+++ b/pkgs/tools/security/rng-tools/default.nix
@@ -14,13 +14,13 @@ with lib;
 
 stdenv.mkDerivation rec {
   pname = "rng-tools";
-  version = "6.9";
+  version = "6.11";
 
   src = fetchFromGitHub {
     owner = "nhorman";
     repo = "rng-tools";
     rev = "v${version}";
-    sha256 = "065jf26s8zkicb95zc9ilksjdq9gqrh5vcx3mhi6mypbnamn6w98";
+    sha256 = "sha256-qheJaeVX2zuv0mvKEd6wcbSHFjiJE0t5hVCJiRSKm3M=";
   };
 
   postPatch = ''