diff --git a/pkgs/misc/calaos/installer/default.nix b/pkgs/misc/calaos/installer/default.nix
index 575471b2ee5..7b24ddb94d9 100644
--- a/pkgs/misc/calaos/installer/default.nix
+++ b/pkgs/misc/calaos/installer/default.nix
@@ -2,13 +2,13 @@
 
 mkDerivation rec {
   pname = "calaos_installer";
-  version = "3.5";
+  version = "3.11";
 
   src = fetchFromGitHub {
     owner = "calaos";
     repo = "calaos_installer";
     rev = "v${version}";
-    sha256 = "hx7XVF2iueKFR67U0EvSK1vYZnJBnuOpUOkSjx7h1XY=";
+    sha256 = "sha256-e/f58VtGmKukdv4rIrGljXhA9d/xUycM5V6I1FT5qeY=";
   };
 
   nativeBuildInputs = [ qmake qttools ];