diff --git a/.github/badges/branches.svg b/.github/badges/branches.svg
index f1e7e72..230ac2a 100644
--- a/.github/badges/branches.svg
+++ b/.github/badges/branches.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="104" height="20" role="img" aria-label="branches: 82.8%"><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="104" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="61" height="20" fill="#555"/><rect x="61" width="43" height="20" fill="#a4a61d"/><rect width="104" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="315" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="510">branches</text><text x="315" y="140" transform="scale(.1)" fill="#fff" textLength="510">branches</text><text aria-hidden="true" x="815" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="330">82.8%</text><text x="815" y="140" transform="scale(.1)" fill="#fff" textLength="330">82.8%</text></g></svg>
\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg" width="104" height="20" role="img" aria-label="branches: 81.7%"><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="104" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="61" height="20" fill="#555"/><rect x="61" width="43" height="20" fill="#a4a61d"/><rect width="104" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="315" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="510">branches</text><text x="315" y="140" transform="scale(.1)" fill="#fff" textLength="510">branches</text><text aria-hidden="true" x="815" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="330">81.7%</text><text x="815" y="140" transform="scale(.1)" fill="#fff" textLength="330">81.7%</text></g></svg>
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..d58fd0f
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,42 @@
+# This is a basic workflow to help you get started with Actions
+
+name: release
+
+# Controls when the action will run. 
+on:
+  release:
+    types: [published]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-18.04
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 15
+        uses: actions/setup-java@v1
+        with:
+          java-version: 15
+
+      - name: Cache Gradle packages
+        uses: actions/cache@v1
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+          restore-keys: ${{ runner.os }}-gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew clean build
+
+      - name: Publish to sonartype
+        run: ./gradlew publish
+
+      - name: Release to central
+        run: ./gradlew closeAndReleaseRepository
+
diff --git a/build.gradle.kts b/build.gradle.kts
index dd5abb3..e37c7fe 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -23,7 +23,7 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.gradle.api.tasks.testing.logging.TestLogEvent
 
-version = "0.0.4"
+version = "0.0.5"
 
 plugins {
     kotlin("jvm") version "1.5.0"
@@ -33,13 +33,14 @@ plugins {
     maven
     `maven-publish`
     signing
+    id("io.codearte.nexus-staging") version "0.30.0"
 }
 
 java {
     withJavadocJar()
     withSourcesJar()
-    sourceCompatibility = JavaVersion.VERSION_15
-    targetCompatibility = JavaVersion.VERSION_15
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
 }
 
 jacoco {
@@ -51,6 +52,7 @@ repositories {
 }
 
 dependencies {
+    implementation("io.codearte.gradle.nexus:gradle-nexus-staging-plugin:0.30.0")
     implementation("org.jetbrains.kotlin:kotlin-reflect:1.5.0")
     implementation("org.yaml:snakeyaml:1.28")
     implementation("org.reflections:reflections:0.9.12")
@@ -114,6 +116,10 @@ signing {
     sign(publishing.publications["mavenJava"])
 }
 
+nexusStaging {
+    serverUrl = "https://s01.oss.sonatype.org/service/local/"
+}
+
 tasks.test {
     useJUnitPlatform()
     testLogging {
@@ -127,7 +133,7 @@ tasks.test {
 }
 
 tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "15"
+    kotlinOptions.jvmTarget = "11"
 }
 
 tasks.jar {