diff --git a/pkgs/tools/misc/plantuml/default.nix b/pkgs/tools/misc/plantuml/default.nix
index 6ef561efbc3f..7454a0e89c5c 100644
--- a/pkgs/tools/misc/plantuml/default.nix
+++ b/pkgs/tools/misc/plantuml/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, makeWrapper, jre, graphviz }:
 
 stdenv.mkDerivation rec {
-  version = "1.2019.0";
+  version = "1.2019.1";
   name = "plantuml-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/project/plantuml/${version}/plantuml.${version}.jar";
-    sha256 = "1qc1sgzblmgvwr0zjcqrsj7zlvxrb15aba5fzlv0dbhjalzjlyvn";
+    sha256 = "1prbb5c8y44p1x7vj4lpap2gbxd9bavbgvi6p7zw6nb0lfral6vg";
   };
 
   nativeBuildInputs = [ makeWrapper ];