diff --git a/pom.xml b/pom.xml
index dd2a2a31..02c2128d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -90,7 +90,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>17</java.version>
-        <protobuf.version>3.21.7</protobuf.version>
+        <protobuf.version>3.25.5</protobuf.version>
         <phenopacket-schema.version>2.0.2</phenopacket-schema.version>
         <phenol.version>2.0.0</phenol.version>
         <jackson.version>2.14.2</jackson.version>