diff --git a/amazon-kinesis-client/pom.xml b/amazon-kinesis-client/pom.xml
index 1168bc81..197c3c56 100644
--- a/amazon-kinesis-client/pom.xml
+++ b/amazon-kinesis-client/pom.xml
@@ -93,7 +93,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>3.19.2</version>
+      <version>3.21.5</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
@@ -115,7 +115,7 @@
     <dependency>
       <groupId>org.projectlombok</groupId>
       <artifactId>lombok</artifactId>
-      <version>1.18.22</version>
+      <version>1.18.24</version>
       <scope>provided</scope>
     </dependency>