diff --git a/pom.xml b/pom.xml
index 2937b6b..40f27e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,37 +48,37 @@
 		<dependency>
 			<groupId>org.apache.kafka</groupId>
 			<artifactId>kafka-streams</artifactId>
-			<version>${kafka.version}</version>
+			<version>2.6.3</version>
 		</dependency>
 
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>${protobuf.version}</version>
+			<version>3.25.5</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.grpc</groupId>
 			<artifactId>grpc-all</artifactId>
-			<version>${grpc.version}</version>
+			<version>1.68.1</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.grpc</groupId>
 			<artifactId>grpc-protobuf</artifactId>
-			<version>${grpc.version}</version>
+			<version>1.68.1</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.grpc</groupId>
 			<artifactId>grpc-stub</artifactId>
-			<version>${grpc.version}</version>
+			<version>1.57.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.grpc</groupId>
 			<artifactId>grpc-netty</artifactId>
-			<version>${grpc.version}</version>
+			<version>1.16.0</version>
 		</dependency>