diff --git a/.scala-steward.conf b/.scala-steward.conf
new file mode 100644
index 0000000..68a2991
--- /dev/null
+++ b/.scala-steward.conf
@@ -0,0 +1,8 @@
+updates.pin  = [
+  # Currently code compiled with Scala 3.0 can't
+  # read code compiled with Scala 3.1, so let's
+  # postpone updating beyond 3.0.x until we have
+  # a reason to do so.
+  # See also https://www.scala-lang.org/blog/2022/02/01/scala-3.1.1-released.html
+  { groupId = "org.scala-lang", artifactId = "scala3-library", version = "3.0." }
+]