diff --git a/.github/workflows/MavenCI.yml b/.github/workflows/MavenCI.yml
index 0fc93ab1..481a2a72 100644
--- a/.github/workflows/MavenCI.yml
+++ b/.github/workflows/MavenCI.yml
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ubuntu-latest, windows-latest, macos-latest]
-        java-version: ['8', '11', '17']
+        java-version: ['8', '11', '17', '21']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/avro-flink-serde/pom.xml b/avro-flink-serde/pom.xml
index d4e9bbc7..16ae184e 100644
--- a/avro-flink-serde/pom.xml
+++ b/avro-flink-serde/pom.xml
@@ -71,7 +71,7 @@
         <dependency>
           <groupId>org.projectlombok</groupId>
           <artifactId>lombok</artifactId>
-          <version>1.18.26</version>
+          <version>1.18.36</version>
           <scope>provided</scope>
         </dependency>
 
@@ -219,7 +219,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.8.8</version>
+                <version>0.8.12</version>
                 <executions>
                     <execution>
                         <goals>
diff --git a/build-tools/pom.xml b/build-tools/pom.xml
index 4262f98b..0f4a3a2b 100644
--- a/build-tools/pom.xml
+++ b/build-tools/pom.xml
@@ -62,7 +62,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.8.8</version>
+                <version>0.8.12</version>
                 <executions>
                     <execution>
                         <phase>verify</phase>
diff --git a/pom.xml b/pom.xml
index 390d9cfe..83716efb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -100,7 +100,7 @@
         <log4j.version>2.17.1</log4j.version>
         <jupiter.version>5.6.3</jupiter.version>
         <mockito.version>3.3.3</mockito.version>
-        <lombok.version>1.18.26</lombok.version>
+        <lombok.version>1.18.36</lombok.version>
         <hamcrest.version>1.1</hamcrest.version>
         <!--  LATEST KCL Does not work with LocalStack yet, remove once new version works -->
         <kinesis.client.version>2.2.9</kinesis.client.version>
@@ -451,7 +451,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.8.8</version>
+                <version>0.8.12</version>
                 <configuration>
                     <excludes>
                         <!-- Ignore exception classes -->
diff --git a/protobuf-kafkaconnect-converter/pom.xml b/protobuf-kafkaconnect-converter/pom.xml
index 383f4d40..522d0115 100644
--- a/protobuf-kafkaconnect-converter/pom.xml
+++ b/protobuf-kafkaconnect-converter/pom.xml
@@ -193,7 +193,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.8.8</version>
+                <version>0.8.12</version>
                 <configuration>
                     <excludes>
                     </excludes>