diff --git a/README.md b/README.md
index 828a7023489..7104a5f2e93 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ On OS X:
 
 On Debian-based Linuxes:
 
-    sudo apt-get install libsdl1.2-dev libcairo2-dev libpango1.0-dev autoconf2.13
+    sudo apt-get install libsdl1.2-dev libcairo2-dev libpango1.0-dev autoconf2.13 freeglut3
 
 ### Building