diff --git a/pkgs/by-name/si/simplex-chat-desktop/package.nix b/pkgs/by-name/si/simplex-chat-desktop/package.nix
index 1c707c969b25..08edd2d4d3bb 100644
--- a/pkgs/by-name/si/simplex-chat-desktop/package.nix
+++ b/pkgs/by-name/si/simplex-chat-desktop/package.nix
@@ -7,16 +7,16 @@
 
 let
   pname = "simplex-chat-desktop";
-  version = "6.5.2";
+  version = "6.5.4";
 
   sources = {
     "aarch64-linux" = fetchurl {
       url = "https://github.com/simplex-chat/simplex-chat/releases/download/v${version}/simplex-desktop-aarch64.AppImage";
-      hash = "sha256-VrPNKXgVO/9yvGqseOVkYKMFVqhtExL2PCJb6stn3ko=";
+      hash = "sha256-/tlCdCyy7FRlDMFWsx1S4JbIJqombk23LPum/tH6psU=";
     };
     "x86_64-linux" = fetchurl {
       url = "https://github.com/simplex-chat/simplex-chat/releases/download/v${version}/simplex-desktop-x86_64.AppImage";
-      hash = "sha256-caRL09PKJ33XHRReZ5qSpfgKH0wpJxGSHXfA83sz5UE=";
+      hash = "sha256-iQdy8nxakCv0XxpN04W50X3OWibcMn1ZnT+qYvkyfXg=";
     };
   };