diff --git a/build.sbt b/build.sbt
index 9dd62c6..5e966de 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,5 +1,5 @@
 val CirceVersion  = "0.14.2"
-val http4sVersion = "1.0.0-M38"
+val http4sVersion = "1.0.0-M39"
 val doobieVersion = "1.0.0-RC2"
 
 Global / excludeLintKeys += SettingKey("scalafixDependencies")