diff --git a/pom.xml b/pom.xml
index c5d2312..0bf9816 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
         <java.version>11</java.version>
         <spring_boot_version>2.3.4.RELEASE</spring_boot_version>
         <hapi.version>6.4.1</hapi.version>
-        <protobuf.version>3.16.1</protobuf.version>
+        <protobuf.version>3.25.5</protobuf.version>
         <phenopacket.schema.version>2.0.2</phenopacket.schema.version>
         <springboot.starter.version>2.7.2</springboot.starter.version>
     </properties>