diff --git a/pom.xml b/pom.xml
index 2c9e644e4f..abcde4d323 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
     <snakeyaml.version>2.2</snakeyaml.version>
     <slf4j.version>2.0.12</slf4j.version>
     <caffeine.version>2.9.3</caffeine.version>
-    <protobuf.version>3.25.3</protobuf.version>
+    <protobuf.version>4.26.1</protobuf.version>
     <junit.version>4.13</junit.version>
     <bucket4j.version>7.6.0</bucket4j.version>
     <bouncycastle.version>1.77</bouncycastle.version>