diff --git a/pkgs/tools/networking/mu/default.nix b/pkgs/tools/networking/mu/default.nix
index 6a578b47239..0544b6d1ec1 100644
--- a/pkgs/tools/networking/mu/default.nix
+++ b/pkgs/tools/networking/mu/default.nix
@@ -14,13 +14,13 @@
 
 stdenv.mkDerivation rec {
   pname = "mu";
-  version = "1.8.10";
+  version = "1.8.11";
 
   src = fetchFromGitHub {
     owner = "djcb";
     repo = "mu";
     rev = "v${version}";
-    hash = "sha256-hwroSuxn9zVjQBz8r2y93o42zzVkHWAZaEKKEVgSb5s=";
+    hash = "sha256-IEfwAAUqEGtN4vww0pfW7iuIY/U3eqzC+MJsqtossCw=";
   };
 
   postPatch = ''