diff --git a/.scala-steward.conf b/.scala-steward.conf
new file mode 100644
index 00000000000..4e8076f3d88
--- /dev/null
+++ b/.scala-steward.conf
@@ -0,0 +1,2 @@
+updates.ignore = [ { groupId = "edu.berkeley.cs", artifactId = "firrtl" } ]
+pullRequests.frequency = "0 0 1 * *" # The first of every month