diff --git a/build.sbt b/build.sbt
index 24432bc..2fdc6b3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ val V = new {
   val logstage        = distage
   val scalatest       = "3.1.2"
   val scalacheck      = "1.14.3"
-  val http4s          = "0.21.4"
+  val http4s          = "0.21.6"
   val doobie          = "0.9.0"
   val zio             = "1.0.0-RC20"
   val zioCats         = "2.0.0.0-RC14"