diff --git a/.github/workflows/build_documents.yml b/.github/workflows/build_documents.yml
index 0ce5602ad..5d6b9ff47 100644
--- a/.github/workflows/build_documents.yml
+++ b/.github/workflows/build_documents.yml
@@ -35,15 +35,15 @@ jobs:
     - name: prepare environment
       run: | 
         # Outcomment if lua environment invalidates and needs to be reinstalled, otherwise all will run from the cache...
-        #choco install -y 7zip.commandline
-        #choco install -y lua51
-        #choco install -y luarocks
+        choco install -y 7zip.commandline
+        choco install -y lua51
+        choco install -y luarocks
         dir "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build"
         "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat"
         $env:PATH += "C:\ProgramData\chocolatey\lib\luarocks\luarocks-2.4.4-win32\systree\bin"
         $env:LUA_PATH += "C:\ProgramData\chocolatey\lib\luarocks\luarocks-2.4.4-win32\systree\share\lua\5.1\?.lua;C:\ProgramData\chocolatey\lib\luarocks\luarocks-2.4.4-win32\systree\share\lua\5.1\?\init.lua"
         $env:LUA_CPATH += "C:\ProgramData\chocolatey\lib\luarocks\luarocks-2.4.4-win32\systree\lib\lua\5.1\?.dll" 
-        #luarocks install luafilesystem 1.6.3-2
+        luarocks install luafilesystem 1.6.3-2
         #luarocks install markdown 0.32-2
         #luarocks install metalua-compiler 0.7.3-1
         #luarocks install metalua-parser 0.7.3-2