diff --git a/pkgs/tools/networking/mu/default.nix b/pkgs/tools/networking/mu/default.nix
index 87f0db1946b5..e83b935ff222 100644
--- a/pkgs/tools/networking/mu/default.nix
+++ b/pkgs/tools/networking/mu/default.nix
@@ -3,12 +3,12 @@
 , gtk3, webkit, libsoup, icu, withMug ? false /* doesn't build with current gtk3 */ }:
 
 stdenv.mkDerivation rec {
-  version = "0.9.9.6";
+  version = "0.9.10";
   name = "mu-${version}";
 
   src = fetchurl {
     url = "https://github.com/djcb/mu/archive/v${version}.tar.gz";
-    sha256 = "1jr9ss29yi6d62hd4ap07p2abgf12hwqfhasv3gwdkrx8dzwmr2a";
+    sha256 = "0yrkzf0czp85fd3g4zh95z648lsvkc4g2r8xbjn48xgba1ygqbyq";
   };
 
   buildInputs =