diff --git a/files/apts/swift b/files/apts/swift
index c52c68b..1c283cf 100644
--- a/files/apts/swift
+++ b/files/apts/swift
@@ -1,5 +1,6 @@
 curl
 gcc
+libffi-dev
 memcached
 python-configobj
 python-coverage
diff --git a/files/rpms/swift b/files/rpms/swift
index ee1fad8..2cc4a0b 100644
--- a/files/rpms/swift
+++ b/files/rpms/swift
@@ -1,5 +1,6 @@
 curl
 gcc
+libffi-devel
 memcached
 python-configobj
 python-coverage