diff --git a/build.sbt b/build.sbt
index f5e7723..03044f6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -16,7 +16,7 @@ val http4sVersion = "0.23.22"
 val scalacheckXmlVersion = "0.1.0"
 val scalaXml1Version = "1.3.1"
 val scalaXml2Version = "2.2.0"
-val munitVersion = "1.0.0-M8"
+val munitVersion = "1.0.0-M9"
 val munitCatsEffectVersion = "2.0.0-M3"
 
 lazy val scalaXml2 = project