diff --git a/build.gradle.kts b/build.gradle.kts
index da0c832..49e6d7d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -65,7 +65,7 @@ java {
 }
 
 tasks.withType<JavaCompile>().configureEach {
-    options.release = 8
+    options.release = 17
 }
 tasks.wrapper {
     distributionType = Wrapper.DistributionType.ALL
@@ -73,10 +73,10 @@ tasks.wrapper {
 
 kotlin {
     jvmToolchain {
-        languageVersion = JavaLanguageVersion.of(8)
+        languageVersion = JavaLanguageVersion.of(17)
     }
     compilerOptions {
-        jvmTarget = JvmTarget.JVM_1_8
+        jvmTarget = JvmTarget.JVM_17
     }
 }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a647007..290901d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -14,5 +14,5 @@ indra-publishing-sonatype = { module = "net.kyori:indra-publishing-sonatype", ve
 nexus-publish = { module = "io.github.gradle-nexus:publish-plugin", version.ref = "nexus-publish" }
 errorprone-gradle = { module = "net.ltgt.gradle:gradle-errorprone-plugin", version.ref = "gradleErrorprone" }
 spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version.ref = "spotless" }
-palantir-baseline = { module = "com.palantir.baseline:gradle-baseline-java", version = "5.37.0" }
+palantir-baseline = { module = "com.palantir.baseline:gradle-baseline-java", version = "6.4.0" }
 palantir-revapi = "com.palantir.gradle.revapi:gradle-revapi:1.8.0"