diff --git a/build.gradle b/build.gradle
index f3c4521..761b8c7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,8 +3,8 @@ import static org.gradle.internal.os.OperatingSystem.*
 plugins {
     id 'java'
     id 'maven'
-    id "org.jetbrains.kotlin.jvm" version "1.3.50"
-    id "com.github.johnrengelman.shadow" version '5.1.0'
+    id "org.jetbrains.kotlin.jvm" version "1.3.61"
+    id "com.github.johnrengelman.shadow" version '5.2.0'
 //    id 'org.kordamp.gradle.jdeps' version '0.7.1-SNAPSHOT'
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 5b3cbfd..e6749e1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip
diff --git a/src/main/kotlin/kool/Stack.kt b/src/main/kotlin/kool/Stack.kt
index 02286f9..2ccc933 100644
--- a/src/main/kotlin/kool/Stack.kt
+++ b/src/main/kotlin/kool/Stack.kt
@@ -787,7 +787,7 @@ object Stack {
     inline fun <R> utf8Buffer(chars: CharSequence, block: (ByteBuffer) -> R): R =
             with { block(it.UTF8(chars, true)) }
 
-    val VERSION = "0.8.3"
+    val VERSION = "0.8.4"
 
     inline operator fun <R> invoke(block: (MemoryStack) -> R): R = with(block)
 }