diff --git a/build.sbt b/build.sbt
index 66e8620..4b39837 100644
--- a/build.sbt
+++ b/build.sbt
@@ -52,7 +52,7 @@ lazy val core = projectMatrix
       "dev.zio" %%% "izumi-reflect" % "3.0.9",
       "com.lihaoyi" %%% "fansi" % "0.5.1",
     ) ++ (if (isScala3.value) {
-            Seq("com.softwaremill.magnolia1_3" %%% "magnolia" % "1.3.18")
+            Seq("com.softwaremill.magnolia1_3" %%% "magnolia" % "1.3.20")
           } else
             Seq(
               "com.softwaremill.magnolia1_2" %%% "magnolia" % "1.1.10",