diff --git a/build.sbt b/build.sbt
index 56701ad4..44054a50 100644
--- a/build.sbt
+++ b/build.sbt
@@ -10,7 +10,7 @@ ThisBuild / tlBaseVersion := "3.0"
 ThisBuild / organization := "org.typelevel"
 
 val catsVersion = "2.10.0"
-val munitVersion = "1.0.0-M8"
+val munitVersion = "1.0.0-M9"
 val disciplineMunitVersion = "2.0.0-M3"
 val kindProjectorVersion = "0.13.2"
 val shapeless2Version = "2.3.10"