diff --git a/pkgs/development/libraries/hunspell/dictionaries.nix b/pkgs/development/libraries/hunspell/dictionaries.nix
index fb64aa81d1a..386a18f641f 100644
--- a/pkgs/development/libraries/hunspell/dictionaries.nix
+++ b/pkgs/development/libraries/hunspell/dictionaries.nix
@@ -272,13 +272,13 @@ let
     , sourceRoot ? dictFileName }:
     mkDict rec {
       name = "hunspell-dict-${shortName}-libreoffice-${version}";
-      version = "6.2.0.3";
+      version = "6.3.0.4";
       inherit dictFileName readmeFile;
       src = fetchFromGitHub {
         owner = "LibreOffice";
         repo = "dictionaries";
         rev = "libreoffice-${version}";
-        sha256 = "0rw9ahhynia5wsgyd67lrhinqqn1s1rizgiykb3palbyk0lv72xj";
+        sha256 = "14z4b0grn7cw8l9s7sl6cgapbpwhn1b3gwc3kn6b0k4zl3dq7y63";
       };
       buildPhase = ''
         cp -a ${sourceRoot}/* .