diff --git a/Rakefile b/Rakefile
index 314ca09..cdfc389 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,5 +1,6 @@
 require 'erlbox'
 require 'erlbox/driver'
+require 'erlbox/snmp'
 
 CLOBBER.include %w( c_src/system )