diff --git a/build.sbt b/build.sbt
index 20f3720d4..b33dab102 100644
--- a/build.sbt
+++ b/build.sbt
@@ -33,7 +33,7 @@ val CatsMtlVersion = "1.4.0"
 val DisciplineMUnitVersion = "2.0.0-M3"
 val FS2Version = "3.9.3"
 val MUnitVersion = "1.0.0-M10"
-val MUnitCatsEffectVersion = "2.0.0-M3"
+val MUnitCatsEffectVersion = "2.0.0-M4"
 val MUnitDisciplineVersion = "2.0.0-M3"
 val OpenTelemetryVersion = "1.31.0"
 val OpenTelemetrySemConvVersion = "1.21.0-alpha"