diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 6092149..2c39952 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -5,12 +5,12 @@ name: Java CI with Maven
 
 on:
   push:
-    branches: [ 1.16.3 ]
+    branches: [ 1.16.4 ]
   pull_request:
-    branches: [ 1.16.3 ]
+    branches: [ 1.16.4 ]
 
 jobs:
-  build:
+  build-java-8:
 
     runs-on: ubuntu-latest
 
@@ -22,3 +22,27 @@ jobs:
         java-version: 1.8
     - name: Build with Maven
       run: mvn -B clean test package -U --file ./Auto-Tune/pom.xml
+  build-java-11:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 11
+      uses: actions/setup-java@v1
+      with:
+        java-version: 11
+    - name: Build with Maven
+      run: mvn -B clean test package -U --file ./Auto-Tune/pom.xml
+  build-java-15:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 15
+      uses: actions/setup-java@v1
+      with:
+        java-version: 15
+    - name: Build with Maven
+      run: mvn -B clean test package -U --file ./Auto-Tune/pom.xml
\ No newline at end of file
diff --git a/Auto-Tune/dependency-reduced-pom.xml b/Auto-Tune/dependency-reduced-pom.xml
index 55e132f..ff3fff8 100644
--- a/Auto-Tune/dependency-reduced-pom.xml
+++ b/Auto-Tune/dependency-reduced-pom.xml
@@ -38,6 +38,13 @@
         <configuration>
           <source>1.8</source>
           <target>1.8</target>
+          <annotationProcessorPaths>
+            <annotationProcessorPath>
+              <groupId>org.projectlombok</groupId>
+              <artifactId>lombok</artifactId>
+              <version>1.18.16</version>
+            </annotationProcessorPath>
+          </annotationProcessorPaths>
         </configuration>
       </plugin>
       <plugin>
@@ -90,7 +97,7 @@
     <dependency>
       <groupId>org.spigotmc</groupId>
       <artifactId>spigot-api</artifactId>
-      <version>1.16.2-R0.1-SNAPSHOT</version>
+      <version>1.16.4-R0.1-SNAPSHOT</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>
@@ -123,6 +130,12 @@
         </exclusion>
       </exclusions>
     </dependency>
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.18.16</version>
+      <scope>provided</scope>
+    </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-api</artifactId>
diff --git a/Auto-Tune/pom.xml b/Auto-Tune/pom.xml
index 30f99ab..e5eea7f 100644
--- a/Auto-Tune/pom.xml
+++ b/Auto-Tune/pom.xml
@@ -49,7 +49,7 @@
     <dependency>
       <groupId>org.spigotmc</groupId>
       <artifactId>spigot-api</artifactId>
-      <version>1.16.2-R0.1-SNAPSHOT</version>
+      <version>1.16.4-R0.1-SNAPSHOT</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
@@ -71,8 +71,8 @@
       <dependency>
         <groupId>org.projectlombok</groupId>
         <artifactId>lombok</artifactId>
-        <version>1.18.12</version>
-        <scope>compile</scope>
+        <version>1.18.16</version>
+        <scope>provided</scope>
       </dependency>
     <dependency>
     <groupId>com.googlecode.json-simple</groupId>
@@ -117,6 +117,13 @@
         <configuration>
           <source>1.8</source>
           <target>1.8</target>
+          <annotationProcessorPaths>
+               	    <annotationProcessorPath>
+                      <groupId>org.projectlombok</groupId>
+		                  <artifactId>lombok</artifactId>
+		                  <version>1.18.16</version>
+                    </annotationProcessorPath>
+          </annotationProcessorPaths>
         </configuration>
       </plugin>
       <plugin>
diff --git a/Auto-Tune/src/unprotesting/com/github/util/HttpPostRequestor.java b/Auto-Tune/src/unprotesting/com/github/util/HttpPostRequestor.java
index e38692e..fdebd69 100644
--- a/Auto-Tune/src/unprotesting/com/github/util/HttpPostRequestor.java
+++ b/Auto-Tune/src/unprotesting/com/github/util/HttpPostRequestor.java
@@ -27,7 +27,7 @@ public static Double sendPostRequestUsingHttpClient(String model, String algorit
         Double newPrice = price;
         CloseableHttpClient client = HttpClients.createDefault();
         HttpPost httpPost = new HttpPost("https://safe-refuge-09383.herokuapp.com");
-        JSONObject json = JsonManager.returnJSONFromParams(model, algorithm, price, averageBuy, averageSell,
+        JSONObject json = JSONManager.returnJSONFromParams(model, algorithm, price, averageBuy, averageSell,
                 maxVolatility, minVolatility);
         Main.debugLog("Sending data to API for " + item + ": - " + "model: " + model + ", price: " + price
                 + ", averageBuy: " + averageBuy + ", averageSell: " + averageSell + ", maxVolatility: " + maxVolatility
diff --git a/Auto-Tune/src/unprotesting/com/github/util/JSONManager.java b/Auto-Tune/src/unprotesting/com/github/util/JSONManager.java
index 4066baa..0041a31 100644
--- a/Auto-Tune/src/unprotesting/com/github/util/JSONManager.java
+++ b/Auto-Tune/src/unprotesting/com/github/util/JSONManager.java
@@ -2,7 +2,7 @@
 
 import org.json.simple.JSONObject;
 
-public class JsonManager {
+public class JSONManager {
 
     public static JSONObject returnJSONFromParams(String model, String algorithm, Double price, Double averageBuy, Double averageSell, Double maxVolatility, Double minVolatility){
         JSONObject obj = new JSONObject();