diff --git a/src/pva/pv/pvaConstants.h b/src/pva/pv/pvaConstants.h
index e16fd5e..2ef9635 100644
--- a/src/pva/pv/pvaConstants.h
+++ b/src/pva/pv/pvaConstants.h
@@ -28,7 +28,7 @@ namespace pvAccess {
 /** PVA protocol magic number */
 const epics::pvData::int8 PVA_MAGIC = static_cast<epics::pvData::int8>(0xCA);
 
-const epics::pvData::int8 PVA_SERVER_PROTOCOL_REVISION = 1;
+const epics::pvData::int8 PVA_SERVER_PROTOCOL_REVISION = 2;
 const epics::pvData::int8 PVA_CLIENT_PROTOCOL_REVISION = 1;
 
 /** PVA protocol revision (implemented by this library). */