diff --git a/build.mill b/build.mill
index 7f7424b..c7620a1 100644
--- a/build.mill
+++ b/build.mill
@@ -35,7 +35,7 @@ object lib extends CommonScalaModule with SonatypeCentralPublishModule {
 
   def mvnDeps = Seq(
     mvn"org.typelevel::cats-effect:3.6.3",
-    mvn"co.fs2::fs2-io:3.11.0",
+    mvn"co.fs2::fs2-io:3.13.0",
     mvn"io.get-coursier:interface:1.0.28",
     mvn"ch.epfl.scala::tasty-query:1.7.0",
     mvn"org.scala-lang:scala3-tasty-inspector_3:3.8.1",