diff --git a/install-reddit.sh b/install-reddit.sh
index 38c5131a0..0aa55df9a 100755
--- a/install-reddit.sh
+++ b/install-reddit.sh
@@ -110,6 +110,7 @@ python-pylibmc
 python-bcrypt
 python-python-statsd
 python-snudown
+python-l2cs
 python-cjson
 python-lxml
 
diff --git a/r2/setup.py b/r2/setup.py
index ec06d06dc..8af4a8a65 100644
--- a/r2/setup.py
+++ b/r2/setup.py
@@ -83,6 +83,7 @@ setup(
         "py-bcrypt",
         "python-statsd",
         "snudown",
+        "l2cs",
     ],
     dependency_links=[
         "https://github.com/downloads/reddit/pylibmc/pylibmc-1.2.1-dev.tar.gz#egg=pylibmc-1.2.1-dev",