diff --git a/.circleci/config.yml b/.circleci/config.yml
index b76d7e8..67e6618 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -31,19 +31,19 @@ defaults_gradle: &defaults_gradle
         path: build/reports/
 
 jobs:
-  build_gradle_jdk18:
+  build_gradle_jdk17:
     <<: *defaults
 
     docker:
-      - image: cimg/openjdk:18.0
+      - image: cimg/openjdk:17.0
 
     <<: *defaults_gradle
 
-  build_gradle_jdk11:
+  build_gradle_jdk20:
     <<: *defaults
 
     docker:
-      - image: cimg/openjdk:11.0
+      - image: cimg/openjdk:20.0
 
     <<: *defaults_gradle
 
@@ -51,5 +51,5 @@ workflows:
   version: 2
   gradle:
     jobs:
-      - build_gradle_jdk11
-      - build_gradle_jdk18
+      - build_gradle_jdk17
+      - build_gradle_jdk20
diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 0034945..c917819 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -8,11 +8,11 @@ jobs:
 
     env:
       GRADLE_OPTS: "-Dorg.gradle.jvmargs=-XX:MaxMetaspaceSize=512m"
-      SONAR_JDK: "11"
+      SONAR_JDK: "17"
 
     strategy:
       matrix:
-        java-version: [ 11, 18 ]
+        java-version: [ 17, 20 ]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index fb7f4a8..b589d56 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
+    <bytecodeTargetLevel target="17" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 323152a..1bcb8e7 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -7,5 +7,5 @@
   <component name="PDMPlugin">
     <option name="skipTestSources" value="false" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="19" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="19" project-jdk-type="JavaSDK" />
 </project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 8105ed3..1c4de30 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 # mobibot
 
 [![License (3-Clause BSD)](https://img.shields.io/badge/license-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
-[![Kotlin](https://img.shields.io/badge/kotlin-1.8.10-7f52ff.svg)](https://kotlinlang.org)[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=ethauvin_mobibot&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=ethauvin_mobibot)
+[![Kotlin](https://img.shields.io/badge/kotlin-1.8.21-7f52ff.svg)](https://kotlinlang.org)
+[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=ethauvin_mobibot&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=ethauvin_mobibot)
 [![GitHub CI](https://github.com/ethauvin/mobibot/actions/workflows/gradle.yml/badge.svg)](https://github.com/ethauvin/mobibot/actions/workflows/gradle.yml)
 [![CircleCI](https://circleci.com/gh/ethauvin/mobibot/tree/master.svg?style=shield)](https://circleci.com/gh/ethauvin/mobibot/tree/master)
 
diff --git a/build.gradle b/build.gradle
index 6a131ab..e3d5453 100644
--- a/build.gradle
+++ b/build.gradle
@@ -112,13 +112,13 @@ tasks.withType(Test).configureEach {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
 }
 
 kotlin {
     jvmToolchain {
-        languageVersion.set(JavaLanguageVersion.of(11))
+        languageVersion.set(JavaLanguageVersion.of(17))
     }
 }
 
diff --git a/version.properties b/version.properties
index 27ca594..b4770f6 100644
--- a/version.properties
+++ b/version.properties
@@ -1,9 +1,9 @@
 #Generated by the Semver Plugin for Gradle
-#Sat May 20 23:54:50 PDT 2023
-version.buildmeta=1077
+#Sun May 21 00:12:53 PDT 2023
+version.buildmeta=1078
 version.major=0
 version.minor=8
 version.patch=0
 version.prerelease=rc
 version.project=mobibot
-version.semver=0.8.0-rc+1077
+version.semver=0.8.0-rc+1078