diff --git a/requirements.txt b/requirements.txt
index 253abbb4353f8200de0746393ac9450c1bc0dfda..b4fd39b8a263dc08582759780add2a5572ad6f8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 setuptools
 docopt
 bob.extension
+bob.blitz
 bob.io.base
 bob.io.image
 bob.io.video