diff --git a/src/Log.hxx b/src/Log.hxx
index e04728570..d276685cd 100644
--- a/src/Log.hxx
+++ b/src/Log.hxx
@@ -30,6 +30,7 @@
 
 #include <exception>
 #include <string_view>
+#include <utility>
 
 class Domain;
 
diff --git a/src/lib/expat/ExpatParser.hxx b/src/lib/expat/ExpatParser.hxx
index e1723d109..4b5221e89 100644
--- a/src/lib/expat/ExpatParser.hxx
+++ b/src/lib/expat/ExpatParser.hxx
@@ -25,6 +25,7 @@
 #include <expat.h>
 
 #include <stdexcept>
+#include <utility>
 
 class InputStream;