diff --git a/test/common/aggregate.h b/test/common/aggregate.h
index 20d664846..521b69ae8 100644
--- a/test/common/aggregate.h
+++ b/test/common/aggregate.h
@@ -1,6 +1,7 @@
 #ifndef ENTT_COMMON_AGGREGATE_H
 #define ENTT_COMMON_AGGREGATE_H
 
+#include <compare>
 #include <type_traits>
 
 namespace test {
diff --git a/test/common/pointer_stable.h b/test/common/pointer_stable.h
index e816281af..9b2c64ce8 100644
--- a/test/common/pointer_stable.h
+++ b/test/common/pointer_stable.h
@@ -1,6 +1,8 @@
 #ifndef ENTT_COMMON_POINTER_STABLE_H
 #define ENTT_COMMON_POINTER_STABLE_H
 
+#include <compare>
+
 namespace test {
 
 struct pointer_stable {