diff --git a/pkgs/tools/networking/memtier-benchmark/default.nix b/pkgs/tools/networking/memtier-benchmark/default.nix
index 5fff387e72b2..c63adb0772b0 100644
--- a/pkgs/tools/networking/memtier-benchmark/default.nix
+++ b/pkgs/tools/networking/memtier-benchmark/default.nix
@@ -4,13 +4,13 @@
 
 stdenv.mkDerivation rec {
   pname = "memtier-benchmark";
-  version = "2.1.0";
+  version = "2.1.1";
 
   src = fetchFromGitHub {
     owner  = "redislabs";
     repo   = "memtier_benchmark";
     rev    = "refs/tags/${version}";
-    sha256 = "sha256-9oh1LG0O1Jto+8PdPqXXSe8ldWub1o1EJ6nfilfr70A=";
+    sha256 = "sha256-mYqbtyXVx21rMJmZubFuAVV3qEmk0G3H3fjL6WnUzzM=";
   };
 
   patchPhase = ''