diff --git a/communication/pom.xml b/communication/pom.xml
index 6ce3f9d..a4da8c9 100644
--- a/communication/pom.xml
+++ b/communication/pom.xml
@@ -169,7 +169,7 @@
         <bouncycastle.version>1.53</bouncycastle.version>
         <ehcache.version>2.10.6</ehcache.version>
         <grpc.runtime.java.version>1.18.0</grpc.runtime.java.version>
-        <guava.version>27.0-jre</guava.version>
+        <guava.version>29.0-jre</guava.version>
         <h2.version>1.4.197</h2.version>
         <javassist.version>3.23.1-GA</javassist.version>
         <jaxb.version>2.3.0</jaxb.version>