diff --git a/pkgs/by-name/de/decker/package.nix b/pkgs/by-name/de/decker/package.nix
index 55aa9d8a918a..2bed0cd4bc68 100644
--- a/pkgs/by-name/de/decker/package.nix
+++ b/pkgs/by-name/de/decker/package.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation rec {
   pname = "decker";
-  version = "1.54";
+  version = "1.56";
 
   src = fetchFromGitHub {
     owner = "JohnEarnest";
     repo = "Decker";
     rev = "v${version}";
-    hash = "sha256-6rKfIMEWMig1LAaLk1eSUHnc2104FuN5wTVpf1SgCtg=";
+    hash = "sha256-b4Z+hQ7sQf8sdFXcX4+GA9Q8gJDUeb5LuVgrd3bY6vA=";
   };
 
   buildInputs = [