diff --git a/pkgs/data/fonts/ttf-tw-moe/default.nix b/pkgs/data/fonts/ttf-tw-moe/default.nix
index aeda5cd695d6..1115b48b7095 100644
--- a/pkgs/data/fonts/ttf-tw-moe/default.nix
+++ b/pkgs/data/fonts/ttf-tw-moe/default.nix
@@ -1,20 +1,23 @@
 { stdenv, fetchzip }:
-
+let
+  version = "2020-11-14";
+in
 fetchzip {
   name = "ttf-tw-moe";
 
-  url = "https://github.com/Jiehong/TW-fonts/archive/b30ae75e9dc299afd61e31cfd43f7a0a157dfb1f.zip";
+  url = "https://github.com/Jiehong/TW-fonts/archive/${version}.zip";
 
   postFetch = ''
     mkdir -p $out/share/fonts
-    unzip -j $downloadedFile TW-fonts-b30ae75e9dc299afd61e31cfd43f7a0a157dfb1f/\*.ttf -d $out/share/fonts/truetype
+    unzip -j $downloadedFile TW-fonts-${version}/\*.ttf -d $out/share/fonts/truetype
   '';
 
-  sha256 = "0khgxih9z6pqf7pdp21xjp24wb9ygsrdcmzpjb7vr9x8n78i1fbs";
+  sha256 = "1jd3gjjfa4vadp6d499n0irz5b22z611kd7q5qgqf6s2fwbxfhiz";
 
   meta = with stdenv.lib; {
     homepage = "http://www.moe.gov.tw/";
     description = "Set of KAI and SONG fonts from the Ministry of Education of Taiwan";
+    version = version;
     longDescription = ''
       Installs 2 TTF fonts: MOESongUN and TW-MOE-Std-Kai.
       Both are provided by the Ministry of Education of Taiwan; each character's shape