diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5f12d9c4..2ab557ee9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [1.4.0] - July 22nd, 2021
+
+### Changed
+
+- Decreased jvmTarget version from 11 to 1.8
+
 ## [1.3.0] - June 4th, 2021
 
 ### Changed
diff --git a/build.gradle.kts b/build.gradle.kts
index 219a1d478..d4fb5e6e9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -33,7 +33,7 @@ allprojects {
 
   tasks.withType<KotlinCompile>().configureEach {
     kotlinOptions {
-      jvmTarget = "11"
+      jvmTarget = "1.8"
     }
   }
 
diff --git a/gradle.properties b/gradle.properties
index 06e06ca8a..b7989bcd5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 # Kompendium
-project.version=1.3.0
+project.version=1.4.0
 # Kotlin
 kotlin.code.style=official
 # Gradle