diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 884907a1..ea785850 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -9,11 +9,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: Set up JDK 16
+    - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
         distribution: 'adopt'
-        java-version: 16
+        java-version: 17
     - name: Setup
       run: chmod +x gradlew && ./gradlew setup
     - name: Build with Gradle
diff --git a/README.md b/README.md
index 016198d9..edda2e16 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,8 @@
 1.13->1.18.1
 
 ### Important
-1.17+ Needs JDK 16
+1.17 Needs JDK 16
+1.18 Needs JDK 17
 
 ### How to use
 
diff --git a/build.gradle b/build.gradle
index 0a5fd1da..e07a3c40 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ println(' Java: ' + System.getProperty('java.version') +
         ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ')' +
         ' Arch: ' + System.getProperty('os.arch'))
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(16)
+java.toolchain.languageVersion = JavaLanguageVersion.of(17)
 
 configurations {
     shade