diff --git a/build.sbt b/build.sbt
index 4c1d0bc7..7ed86075 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ val catsV = "2.5.5"
 
 val catsEffectV = "2.3.0"
 
-val http4sV = "0.21.34"
+val http4sV = "0.23.19"
 
 val catsEffectScalaTestV = "0.5.4"
 
diff --git a/core/src/main/scala/api/Application.scala b/core/src/main/scala/api/Application.scala
index f7469268..1883e04c 100644
--- a/core/src/main/scala/api/Application.scala
+++ b/core/src/main/scala/api/Application.scala
@@ -6,7 +6,7 @@ import cats.effect.{ ExitCode, IO, IOApp, Resource }
 import cats.implicits._
 import org.http4s.implicits._
 import org.http4s.server.Router
-import org.http4s.server.blaze.BlazeServerBuilder
+import org.http4s.blaze.server.BlazeServerBuilder
 import org.http4s.server.middleware.Logger
 import org.http4s.{ Request, Response }