diff --git a/build.gradle.kts b/build.gradle.kts
index 060b6d2..6c02287 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -15,7 +15,7 @@ repositories {
 
 dependencies {
     // This dependency is used by the application.
-    implementation("com.google.guava:guava:32.1.1-jre")
+    implementation("com.google.guava:guava:33.0.0-jre")
     // Game Libraries
     implementation(files("libs/discord-rpc.jar", "libs/GJAPI.jar"))
 }
@@ -31,7 +31,7 @@ sourceSets {
 // Apply a specific Java toolchain to ease working on different environments.
 java {
     toolchain {
-        languageVersion.set(JavaLanguageVersion.of(8))
+        languageVersion.set(JavaLanguageVersion.of(21))
     }
-    targetCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_21
 }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index d57a85a..0531745 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -8,7 +8,7 @@
 
 plugins {
     // Apply the foojay-resolver plugin to allow automatic download of JDKs
-    id("org.gradle.toolchains.foojay-resolver-convention") version "0.4.0"
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.7.0"
 }
 
 rootProject.name = "TheTraveler"