diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3d85b4a..5dad1a4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,11 +21,11 @@ jobs:
       - name: Validate Gradle Wrapper
         uses: gradle/actions/wrapper-validation@v3
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
           check-latest: true
 
       - name: Gradle Properties Import.
diff --git a/buildSrc/src/main/kotlin/java-plugin.gradle.kts b/buildSrc/src/main/kotlin/java-plugin.gradle.kts
index 4251aeb..7f0f291 100644
--- a/buildSrc/src/main/kotlin/java-plugin.gradle.kts
+++ b/buildSrc/src/main/kotlin/java-plugin.gradle.kts
@@ -26,14 +26,14 @@ repositories {
 
 java {
     toolchain {
-        languageVersion.set(JavaLanguageVersion.of(17))
+        languageVersion.set(JavaLanguageVersion.of(21))
     }
 }
 
 tasks {
     compileJava {
         options.encoding = Charsets.UTF_8.name()
-        options.release.set(17)
+        options.release.set(21)
     }
 
     javadoc {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 28ad480..a9f57e1 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 # Minecraft
-paper = "1.20.4-R0.1-SNAPSHOT"
-minecraft = "1.20.4"
+paper = "1.20.6-R0.1-SNAPSHOT"
+minecraft = "1.20.6"
 
 # Plugins
 itemsadder = "3.6.3-beta-14"
diff --git a/paper/build.gradle.kts b/paper/build.gradle.kts
index a600817..cb96000 100644
--- a/paper/build.gradle.kts
+++ b/paper/build.gradle.kts
@@ -65,7 +65,7 @@ tasks {
             url("https://download.luckperms.net/1544/bukkit/loader/LuckPerms-Bukkit-5.4.131.jar")
         }
 
-        minecraftVersion("1.20.4")
+        minecraftVersion(libs.versions.minecraft.get())
     }
 
     assemble {
@@ -89,8 +89,7 @@ tasks {
         inputs.properties("version" to project.version)
         inputs.properties("group" to project.group)
         inputs.properties("description" to project.properties["description"])
-        //inputs.properties("apiVersion" to libs.versions.minecraft.get())
-        inputs.properties("apiVersion" to "1.20")
+        inputs.properties("apiVersion" to libs.versions.minecraft.get())
         inputs.properties("authors" to project.properties["authors"])
         inputs.properties("website" to project.properties["website"])