diff --git a/pom.xml b/pom.xml
index d37ecc5a6b..ee64d3a488 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,7 +41,7 @@
     <snakeyaml.version>1.26</snakeyaml.version>
     <slf4j.version>1.7.30</slf4j.version>
     <guava.version>29.0-jre</guava.version>
-    <protobuf.version>3.13.0</protobuf.version>
+    <protobuf.version>3.15.6</protobuf.version>
     <junit.version>4.12</junit.version>
     <bucket4j.version>4.10.0</bucket4j.version>
     <bouncycastle.version>1.66</bouncycastle.version>