diff --git a/kotlin/hexagon-jetty/build.gradle b/kotlin/hexagon-jetty/build.gradle
index a27bb09f488..883ceb4f4f1 100644
--- a/kotlin/hexagon-jetty/build.gradle
+++ b/kotlin/hexagon-jetty/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 ext {
-    hexagonVersion = "3.3.1"
+    hexagonVersion = "3.4.0"
     gradleScripts = "https://raw.githubusercontent.com/hexagonkt/hexagon/$hexagonVersion/gradle"
 }
 
diff --git a/kotlin/hexagon-jetty/config.yaml b/kotlin/hexagon-jetty/config.yaml
index 137967b6854..7f62d1c0655 100644
--- a/kotlin/hexagon-jetty/config.yaml
+++ b/kotlin/hexagon-jetty/config.yaml
@@ -1,3 +1,3 @@
 framework:
   website: hexagonkt.com
-  version: 3.3
+  version: 3.4
diff --git a/kotlin/hexagon-netty-async/.gitignore b/kotlin/hexagon-netty-async/.gitignore
deleted file mode 100644
index f7c812f92d4..00000000000
--- a/kotlin/hexagon-netty-async/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-
-.gradle/
-gradle/
-build/
-out/
-
-gradlew*
-*.iml
diff --git a/kotlin/hexagon-netty-epoll/build.gradle b/kotlin/hexagon-netty-epoll/build.gradle
index 047d712dffc..5312805c4be 100644
--- a/kotlin/hexagon-netty-epoll/build.gradle
+++ b/kotlin/hexagon-netty-epoll/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 ext {
-    hexagonVersion = "3.3.1"
+    hexagonVersion = "3.4.0"
     nettyVersion = "4.1.+"
 
     gradleScripts = "https://raw.githubusercontent.com/hexagonkt/hexagon/$hexagonVersion/gradle"
diff --git a/kotlin/hexagon-netty-epoll/config.yaml b/kotlin/hexagon-netty-epoll/config.yaml
index 137967b6854..7f62d1c0655 100644
--- a/kotlin/hexagon-netty-epoll/config.yaml
+++ b/kotlin/hexagon-netty-epoll/config.yaml
@@ -1,3 +1,3 @@
 framework:
   website: hexagonkt.com
-  version: 3.3
+  version: 3.4
diff --git a/kotlin/hexagon-netty/build.gradle b/kotlin/hexagon-netty/build.gradle
index d5e2d51397a..ef9b4376728 100644
--- a/kotlin/hexagon-netty/build.gradle
+++ b/kotlin/hexagon-netty/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 ext {
-    hexagonVersion = "3.3.1"
+    hexagonVersion = "3.4.0"
     gradleScripts = "https://raw.githubusercontent.com/hexagonkt/hexagon/$hexagonVersion/gradle"
 }
 
diff --git a/kotlin/hexagon-netty/config.yaml b/kotlin/hexagon-netty/config.yaml
index 137967b6854..7f62d1c0655 100644
--- a/kotlin/hexagon-netty/config.yaml
+++ b/kotlin/hexagon-netty/config.yaml
@@ -1,3 +1,3 @@
 framework:
   website: hexagonkt.com
-  version: 3.3
+  version: 3.4