diff --git a/tests/components/core/test_value_accuracy.cpp b/tests/components/core/test_value_accuracy.cpp
index 4ddec940d27..6a63078f6f2 100644
--- a/tests/components/core/test_value_accuracy.cpp
+++ b/tests/components/core/test_value_accuracy.cpp
@@ -6,6 +6,7 @@
 #include <string>
 
 #include "esphome/core/helpers.h"
+#include "esphome/core/string_ref.h"
 
 namespace esphome::core::testing {