diff --git a/src/MicroOcpp/Core/Configuration_c.h b/src/MicroOcpp/Core/Configuration_c.h
index 94172d07..ab7c06e8 100644
--- a/src/MicroOcpp/Core/Configuration_c.h
+++ b/src/MicroOcpp/Core/Configuration_c.h
@@ -5,6 +5,7 @@
 #ifndef MO_CONFIGURATION_C_H
 #define MO_CONFIGURATION_C_H
 
+#include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
 
diff --git a/src/MicroOcpp_c.h b/src/MicroOcpp_c.h
index a517ff1d..ffc12b7f 100644
--- a/src/MicroOcpp_c.h
+++ b/src/MicroOcpp_c.h
@@ -5,6 +5,7 @@
 #ifndef MO_MICROOCPP_C_H
 #define MO_MICROOCPP_C_H
 
+#include <stdbool.h>
 #include <stddef.h>
 
 #include <MicroOcpp/Core/ConfigurationOptions.h>