diff --git a/pkgs/applications/networking/appgate-sdp/default.nix b/pkgs/applications/networking/appgate-sdp/default.nix
index 0c02963e1ca5..e795e71554ef 100644
--- a/pkgs/applications/networking/appgate-sdp/default.nix
+++ b/pkgs/applications/networking/appgate-sdp/default.nix
@@ -87,11 +87,11 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "appgate-sdp";
-  version = "5.5.0";
+  version = "5.5.1";
 
   src = fetchurl {
     url = "https://bin.appgate-sdp.com/${versions.majorMinor version}/client/appgate-sdp_${version}_amd64.deb";
-    sha256 = "sha256-lWInks3DBkSpKQh+dcNyn43iY5vvE67FLadohBbF6n4=";
+    sha256 = "sha256-gN9UAdn61qUZBJLi/9QiHjNRohbQQDV1uVHgcpuXq+Y=";
   };
 
   # just patch interpreter