diff --git a/pom.xml b/pom.xml
index 0dd4b21b10..8f3ba96fa1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
     <snakeyaml.version>1.26</snakeyaml.version>
     <slf4j.version>1.7.30</slf4j.version>
     <guava.version>29.0-jre</guava.version>
-    <protobuf.version>3.12.2</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>