diff --git a/pkgs/os-specific/linux/rt-tests/default.nix b/pkgs/os-specific/linux/rt-tests/default.nix
index 6185bf9912dd..8e3a9b0ceb02 100644
--- a/pkgs/os-specific/linux/rt-tests/default.nix
+++ b/pkgs/os-specific/linux/rt-tests/default.nix
@@ -8,11 +8,11 @@
 
 stdenv.mkDerivation rec {
   pname = "rt-tests";
-  version = "2.5";
+  version = "2.6";
 
   src = fetchurl {
     url = "https://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git/snapshot/${pname}-${version}.tar.gz";
-    sha256 = "sha256-LzN3YB3Lb7tjyEplrFaNYtiGwHUUTztZBsMrUndd2cU=";
+    sha256 = "sha256-apRJwRqcyzfmyGCCv5BDN92pKP3Nafa9SkxlZ+Bxrm0=";
   };
 
   nativeBuildInputs = [ makeWrapper ];