diff --git a/build.sbt b/build.sbt
index 6bd31a0..b7d1fa7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 val _scalaVersion = "2.13.5"
 val circeVersion = "0.14.0-M7"
-val http4sVersion = "1.0.0-M21"
+val http4sVersion = "1.0.0-M29"
 val catsVersion = "2.6.1"
 val catsEffVersion = "3.1.1"
 val f2sVersion = "3.0.1"