diff --git a/pom.xml b/pom.xml
index 355fb83..ebb9220 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
         <maven-compiler-plugin.version>3.10.0</maven-compiler-plugin.version>
 
         <!-- dependencies -->
-        <protobuf.version>3.25.0</protobuf.version>
+        <protobuf.version>3.25.5</protobuf.version>
         <protobuf-maven-plugin.version>0.6.1</protobuf-maven-plugin.version>
         <os-maven-plugin.version>1.7.1</os-maven-plugin.version>
         <net.i2p.crypto.eddsa.version>0.3.0</net.i2p.crypto.eddsa.version>