diff --git a/dnstap.proto b/dnstap.proto
index 599b35f..dfc8ad4 100644
--- a/dnstap.proto
+++ b/dnstap.proto
@@ -64,6 +64,7 @@ enum SocketProtocol {
     DOH = 4;         // DNS over HTTPS (RFC 8484)
     DNSCryptUDP = 5; // DNSCrypt over UDP (https://dnscrypt.info/protocol)
     DNSCryptTCP = 6; // DNSCrypt over TCP (https://dnscrypt.info/protocol)
+    DOQ = 7;         // DNS over QUIC (RFC 9250)
 }
 
 // Policy: information about any name server operator policy