diff --git a/appveyor.yml b/appveyor.yml
index 9750435..8447abd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,7 +5,7 @@ os: Visual Studio 2015
 init:
   - git config --global core.autocrlf input
   - 'SET PATH=C:\MinGW\bin;%PATH%;C:\MinGW\msys\1.0\bin;%APPVEYOR_BUILD_FOLDER%\build;%APPVEYOR_BUILD_FOLDER%\build\Debug;%APPVEYOR_BUILD_FOLDER%\build\external\bin;%APPVEYOR_BUILD_FOLDER%\build\external\lib'
-  - mingw-get install automake autoconf
+  - mingw-get install libtool
 
 environment:
   COVERALLS_REPO_TOKEN: