diff --git a/stepmania/PBProject/Libraries/README b/stepmania/PBProject/Libraries/README
index 39507a2869..9bb215ecb7 100644
--- a/stepmania/PBProject/Libraries/README
+++ b/stepmania/PBProject/Libraries/README
@@ -8,6 +8,7 @@ jpeg-6b
 libogg-1.1
 libpng-1.2.7
 libvorbis-1.0.1
+libtheora-1.0alpha5
 lua-5.0
 
 Directions: