diff --git a/.github/dependencies.sha256 b/.github/dependencies.sha256
index 27b438f..ad7d7ac 100644
--- a/.github/dependencies.sha256
+++ b/.github/dependencies.sha256
@@ -2,5 +2,4 @@
 2d9484f4c649f708f47f9a479465fc729770ee65617dca3011836602264f6439  libs/json-simple-1.1.jar
 c84700df5942fd969d3e8c2f1ad2c3ebeb17987ef88b426408d1306e49c4aada  libs/MMOItems-6.10.jar
 660ff2a6ec86bc8d7779948cf65c1637e271a16e1ef812d6a273f4a5c5eec73c  libs/MythicLib-1.7.jar
-b7156eab567772f9fdac0bf696b209111790c3f69149ab9a742e3dd030ec4b10  libs/spigot-api.jar
 0116d714822b6f0cfebfe833a5df2e4754797b637d0fe709afb762c56da463a3  libs/ItemsAdder_3.5.0-r2.jar
diff --git a/.github/scripts/prepare-release.sh b/.github/scripts/prepare-release.sh
index cc68d66..d98ebe0 100755
--- a/.github/scripts/prepare-release.sh
+++ b/.github/scripts/prepare-release.sh
@@ -7,6 +7,5 @@ curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer
 curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/2d9484f4c649/json-simple-1.1.jar?ref=$ref" > "libs/json-simple-1.1.jar"
 curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/c84700df5942/MMOItems-6.10.jar?ref=$ref" > "libs/MMOItems-6.10.jar"
 curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/660ff2a6ec86/MythicLib-1.7.jar?ref=$ref" > "libs/MythicLib-1.7.jar"
-curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/b7156eab5677/spigot-api.jar?ref=$ref" > "libs/spigot-api.jar"
 curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/0116d714822b/ItemsAdder_3.5.0-r2.jar?ref=$ref" > "libs/ItemsAdder_3.5.0-r2.jar"
 sha256sum --check .github/dependencies.sha256
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3093b48..bc8044f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/setup-java@v6
         with:
           distribution: temurin
-          java-version: '25'
+          java-version: '21'
       - name: Install shared plugin dependencies
         uses: TF-Minecraft/TLibs/.github/actions/setup-plugins@7afa185bee605908a99ac55288ed27a3babbad62
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0eda311..d5d4079 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       contents: write
     uses: ./.github/workflows/maven-release.yml
     with:
-      java-version: '25'
+      java-version: '21'
       # Exact path, not a glob. {version} is replaced with the tag without v.
       artifact-path: target/advancedcrafting-{version}.jar
     secrets:
diff --git a/pom.xml b/pom.xml
index ac21b49..941fd4d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,10 +11,17 @@
     <properties>
         <tlibs.version>1.1.0</tlibs.version>
         <project.build.outputTimestamp>2026-09-22T00:00:00Z</project.build.outputTimestamp>
-        <maven.compiler.release>25</maven.compiler.release>
+        <maven.compiler.release>21</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <repositories>
+        <repository>
+            <id>spigot-snapshots</id>
+            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
+        </repository>
+    </repositories>
+
     <dependencies>
         <dependency>
             <groupId>local</groupId>
@@ -45,11 +52,11 @@
             <systemPath>${project.basedir}/libs/MythicLib-1.7.jar</systemPath>
         </dependency>
         <dependency>
-            <groupId>local</groupId>
+            <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.21.8</version>
-            <scope>system</scope>
-            <systemPath>${project.basedir}/libs/spigot-api.jar</systemPath>
+            <version>1.21.10-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+
         </dependency>
         <dependency>
             <groupId>me.plugins</groupId>
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 56208fc..48dccdb 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,5 +1,5 @@
 main: net.tfminecraft.AdvancedCrafting.AdvancedCrafting
-api-version: 1.20
+api-version: '1.21.10'
 name: AdvancedCrafting
 version: ${project.version}
 author: Drefvelin
@@ -17,4 +17,4 @@ commands:
 permissions:
   advancedcrafting.admin:
     description: AdvancedCrafting admin commands
-    default: op
\ No newline at end of file
+    default: op