Update pom.xml

abstraction/pom.xml

@@ -15,9 +15,29 @@
     <dependencies>
         <dependency>
             <groupId>org.spigotmc</groupId>
-            <artifactId>spigot</artifactId>
-            <version>1.16.5-R0.1-SNAPSHOT</version>
+            <artifactId>spigot-api</artifactId>
+            <version>1.16.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.bukkit</groupId>
+            <artifactId>craftbukkit</artifactId>
+            <version>1.16.1-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>