--- a/requirements-sf.txt
+++ b/requirements-sf.txt
@@ -17,7 +17,7 @@
 wsgipreload==1.2
 pyzmq==2.1.7
 html2text==3.200.3dev-20121112
-pymollom==0.1
+PyMollom==0.1
 
 # use version built from https://github.com/johnsca/GitPython/commits/tv/6000
 # for unmerged fixes for [#5411], [#6000], and [#6078]