diff --git a/build.gradle.kts b/build.gradle.kts
index bfb4a92..ac6dd5b 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -16,9 +16,9 @@ fun BintrayExtension.pkg(configure: BintrayExtension.PackageConfig.() -> Unit) {
 
 plugins {
     `maven-publish`
-    kotlin("jvm") version ("1.3.50")
-    id("org.jetbrains.dokka") version ("0.9.18")
-    id("com.github.ben-manes.versions") version ("0.25.0")
+    kotlin("jvm") version ("1.3.61")
+    id("org.jetbrains.dokka") version ("0.10.0")
+    id("com.github.ben-manes.versions") version ("0.27.0")
     id("com.jfrog.bintray") version ("1.8.4")
     id("net.researchgate.release") version ("2.8.1")
 }
@@ -55,10 +55,8 @@ tasks.withType<DependencyUpdatesTask> {
 }
 
 val dokka by tasks.existing(DokkaTask::class) {
-    sourceDirs = sourceSets["main"].kotlin.srcDirs
     outputFormat = "javadoc"
     outputDirectory = "$buildDir/docs/javadoc"
-    kotlinTasks(::defaultKotlinTasks)
 }
 
 val javadocJar by tasks.registering(Jar::class) {
diff --git a/example/build.gradle.kts b/example/build.gradle.kts
index 7d6bae3..06f2d91 100644
--- a/example/build.gradle.kts
+++ b/example/build.gradle.kts
@@ -13,7 +13,7 @@ repositories {
 }
 
 dependencies {
-    val ktorVersion = "1.2.4"
+    val ktorVersion = "1.2.6"
 
     implementation(rootProject)
     implementation(kotlin("stdlib-jdk8"))
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 5c2d1cf..cc4fdc2 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ca9d628..1ba7206 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 83f2acf..2fe81a7 100755
--- a/gradlew
+++ b/gradlew
@@ -154,19 +154,19 @@ if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
@@ -175,14 +175,9 @@ save () {
     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
     echo " "
 }
-APP_ARGS=$(save "$@")
+APP_ARGS=`save "$@"`
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
 exec "$JAVACMD" "$@"
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 57f4d96..1049800 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,5 +1,3 @@
-enableFeaturePreview("STABLE_PUBLISHING")
-
 rootProject.name = "kotlin-result"
 
 include("example")