diff --git a/.scala-steward.conf b/.scala-steward.conf
index bc179cce5..7585ff118 100644
--- a/.scala-steward.conf
+++ b/.scala-steward.conf
@@ -5,4 +5,6 @@ updates.ignore = [
 ]
 updates.pin = [
   { groupId = "org.scala-lang", artifactId="scala3-compiler", version = "3.1." },
+  { groupId = "org.scala-lang", artifactId="scala3-library", version = "3.1." },
+  { groupId = "org.scala-lang", artifactId="scala3-library_sjs1", version = "3.1." }
 ]