diff --git a/pkgs/by-name/jp/jpegoptim/package.nix b/pkgs/by-name/jp/jpegoptim/package.nix
index a3c0f25a555f..cc64cc65e6ec 100644
--- a/pkgs/by-name/jp/jpegoptim/package.nix
+++ b/pkgs/by-name/jp/jpegoptim/package.nix
@@ -6,14 +6,14 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "1.5.5";
+  version = "1.5.6";
   pname = "jpegoptim";
 
   src = fetchFromGitHub {
     owner = "tjko";
     repo = "jpegoptim";
     rev = "v${version}";
-    sha256 = "sha256-3p3kcUur1u09ROdKXG5H8eilu463Rzbn2yfYo5o6+KM=";
+    sha256 = "sha256-Nw9mz5zefkRwqkTIyBQyDlANHEx4dztiIiTuXUnuCKM=";
   };
 
   # There are no checks, it seems.