diff --git a/project/AsyncUtilsBuildPlugin.scala b/project/AsyncUtilsBuildPlugin.scala
index 35046554c..70e2560b6 100644
--- a/project/AsyncUtilsBuildPlugin.scala
+++ b/project/AsyncUtilsBuildPlugin.scala
@@ -184,7 +184,7 @@ object AsyncUtilsBuildPlugin extends AutoPlugin {
           Seq(
             "org.tpolecat" %% "natchez-core" % "0.3.5",
             "org.tpolecat" %% "natchez-mtl" % "0.3.5",
-            "com.comcast" %% "ip4s-core" % "3.4.0",
+            "com.comcast" %% "ip4s-core" % "3.5.0",
             "org.typelevel" %% "cats-mtl" % "1.4.0",
             "io.zipkin.finagle2" %% "zipkin-finagle-http" % "22.4.0",
           ) ++ (if (scalaVersion.value.startsWith("2")) scala2CompilerPlugins else Nil)