diff --git a/appveyor.yml b/appveyor.yml
index f6eaafb..0e8d7bc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,7 +11,7 @@ build_script:
       bootstrap-vcpkg.bat
       if ($lastExitCode -ne 0) { throw "Failed to update vcpkg" }
       vcpkg install curl[sspi] expat freetype libjpeg-turbo libogg libpng `
-          libtheora libvorbis libvpx openal-soft openssl opus pcre python2 python3 `
+          libvorbis libvpx openal-soft openssl opus pcre python2 python3 `
           speex string-theory zlib --triplet x86-windows-static-md
       if ($lastExitCode -ne 0) { throw "Failed to build static libs" }