diff --git a/.appveyor.yml b/.appveyor.yml
index 913363b9..ed692231 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -31,12 +31,16 @@ install:
   # Let the binaries be directly callable
   - cmd: set PATH=%PATH%;C:\projects\patacrep\miktex\miktex\bin
 
-  # Update fonts
-  - cmd: luaotfload-tool.exe --update
+  # Update some packages to prevent ltluatex bug
+  - cmd: mpm.exe --update=miktex-bin-2.9
+  - cmd: mpm.exe --update=ltxbase --update=luatexbase --update=luaotfload --update=miktex-luatex-base --update=fontspec
 
   # Manually install required texlive packages
   - cmd: mpm.exe --install-some texlive_packages.txt
 
+  # Update fonts
+  - cmd: luaotfload-tool.exe --update
+
 build: false  # Not a C# project, build stuff at the test step instead.
 
 before_test:
@@ -47,4 +51,4 @@ test_script:
 
 # Cache Miktex Portable file
 cache:
-- C:\projects\patacrep\miktex-portable.exe
\ No newline at end of file
+- C:\projects\patacrep\miktex-portable.exe
diff --git a/texlive_packages.txt b/texlive_packages.txt
index 9e354c83..7a3e79cb 100644
--- a/texlive_packages.txt
+++ b/texlive_packages.txt
@@ -6,6 +6,7 @@ babel-italian
 babel-latin
 babel-portuges
 babel-spanish
+ctablestack
 etoolbox
 fancybox
 framed
@@ -16,6 +17,7 @@ mptopdf
 ms
 pgf
 tipa
+unicode-data
 url
 xcolor
 xstring