diff --git a/Formula/mongodb.rb b/Formula/mongodb.rb
index 30214140b4c..f82e1e8c0b5 100644
--- a/Formula/mongodb.rb
+++ b/Formula/mongodb.rb
@@ -94,6 +94,16 @@ class Mongodb < Formula
#{var}/log/mongodb/output.log
StandardOutPath
#{var}/log/mongodb/output.log
+ HardResourceLimits
+
+ NumberOfFiles
+ 1024
+
+ SoftResourceLimits
+
+ NumberOfFiles
+ 1024
+
EOS