diff --git a/pkgs/applications/networking/instant-messengers/riot/riot-web.nix b/pkgs/applications/networking/instant-messengers/riot/riot-web.nix
index cc4eb4161f1b7e..86aa4c92766400 100644
--- a/pkgs/applications/networking/instant-messengers/riot/riot-web.nix
+++ b/pkgs/applications/networking/instant-messengers/riot/riot-web.nix
@@ -12,11 +12,11 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "riot-web";
-  version = "1.6.5";
+  version = "1.6.6";
 
   src = fetchurl {
     url = "https://github.com/vector-im/riot-web/releases/download/v${version}/riot-v${version}.tar.gz";
-    sha256 = "0mx7ql76cbivc0d9gzix51bc1rdp9yg9vjx05mbf5r9sxrwmihz5";
+    sha256 = "0j88wcha5rr6qaxik4m90v9mgfcj3r9nb4gpd2dzi7m1zf7kivkw";
   };
 
   installPhase = ''