diff --git a/build.gradle.kts b/build.gradle.kts
index 927150f..52a6603 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -26,9 +26,9 @@ repositories {
 
 dependencies {
   implementation(kotlin("stdlib-jdk8"))
-  implementation("org.http4k:http4k-core:4.44.1.0")
-  implementation("org.http4k:http4k-server-jetty:4.44.1.0")
-  implementation("org.http4k:http4k-format-moshi:4.44.1.0")
+  implementation("org.http4k:http4k-core:5.8.5.0")
+  implementation("org.http4k:http4k-server-jetty:5.8.5.0")
+  implementation("org.http4k:http4k-format-moshi:5.8.5.0")
   implementation("com.natpryce:konfig:1.6.10.0")
   implementation("com.squareup.moshi:moshi:1.15.0")
   implementation("com.squareup.moshi:moshi-kotlin:1.15.0")