diff --git a/net/kea/files/patch-src_lib_dns_rdataclass.cc b/net/kea/files/patch-src_lib_dns_rdataclass.cc
new file mode 100644
index 000000000000..617898cbf99e
--- /dev/null
+++ b/net/kea/files/patch-src_lib_dns_rdataclass.cc
@@ -0,0 +1,10 @@
+--- src/lib/dns/rdataclass.cc.orig	2026-03-13 15:55:30 UTC
++++ src/lib/dns/rdataclass.cc
+@@ -41,6 +41,7 @@
+ 
+ #include <boost/lexical_cast.hpp>
+ #include <boost/shared_ptr.hpp>
++#include <boost/static_assert.hpp>
+ 
+ using namespace isc::util;
+ using namespace isc::util::encode;