diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bf6b14666..51bf4958a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                java: [16]
+                java: [17]
             fail-fast: true
         steps:
             - uses: actions/checkout@v2.3.5
diff --git a/build.gradle.kts b/build.gradle.kts
index 0ac4033fa..68fdf453f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ allprojects {
 
     java {
         toolchain {
-            languageVersion.set(JavaLanguageVersion.of(16))
+            languageVersion.set(JavaLanguageVersion.of(17))
         }
     }
 }
@@ -19,7 +19,7 @@ allprojects {
 subprojects {
     tasks.withType<JavaCompile> {
         options.encoding = Charsets.UTF_8.name()
-        options.release.set(16)
+        options.release.set(17)
     }
     tasks.withType<Javadoc> {
         options.encoding = Charsets.UTF_8.name()