diff --git a/build/appveyor/MSYS-appveyor-install.bat b/build/appveyor/MSYS-appveyor-install.bat
index 252f47d..ff43cd3 100644
--- a/build/appveyor/MSYS-appveyor-install.bat
+++ b/build/appveyor/MSYS-appveyor-install.bat
@@ -28,11 +28,11 @@
 SET PACKAGES=^
   --needed -S bison flex ^
   make ^
-  openssl openssl-devel ^
   mingw-w64-x86_64-boost ^
   mingw-w64-x86_64-cmake ^
+  mingw-w64-x86_64-openssl ^
   mingw-w64-x86_64-toolchain ^
-  zlib zlib-devel
+  mingw-w64-x86_64-zlib
 
 :: omitting libevent-devel for now it is version 2.1.4 and doesn't play nice with MinGW