diff --git a/autotest/IntegTester/build.sbt b/autotest/IntegTester/build.sbt
index b6586efc58..57a0f6d06e 100644
--- a/autotest/IntegTester/build.sbt
+++ b/autotest/IntegTester/build.sbt
@@ -6,7 +6,7 @@ name := "IntegTester"
 version := "1.0"
 
 val CirceVersion  = "0.12.1"
-val Http4sVersion = "0.21.8"
+val Http4sVersion = "0.23.15"
 val jsoupVersion  = "1.15.4"
 
 scalaVersion := "2.13.10"
diff --git a/autotest/Tests/build.sbt b/autotest/Tests/build.sbt
index dcbc99eede..0686e49cc3 100644
--- a/autotest/Tests/build.sbt
+++ b/autotest/Tests/build.sbt
@@ -7,7 +7,7 @@ dependsOn(LocalProject("IntegTester"), LocalProject("config"))
 inConfig(Serial)(Defaults.testTasks)
 
 val circeVersion  = "0.12.1"
-val http4sVersion = "0.21.8"
+val http4sVersion = "0.23.11"
 val catsVersion   = "2.9.0"
 val cxfVersion    = "3.5.5"