diff --git a/include/models/controller.h b/include/models/controller.h
index 10d5827..1cf4fad 100644
--- a/include/models/controller.h
+++ b/include/models/controller.h
@@ -3,6 +3,7 @@
 
 #include <uuid/uuid.h>
 #include <stdint.h>
+#include <lmdb.h>
 
 #include <config.h>
 #include <models/relay.h>
diff --git a/include/models/relay.h b/include/models/relay.h
index 498ea30..bbac159 100644
--- a/include/models/relay.h
+++ b/include/models/relay.h
@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <time.h>
+#include <lmdb.h>
 
 #include <constants.h>
 #include <models/schedule.h>
diff --git a/include/models/schedule.h b/include/models/schedule.h
index ae91e14..212cd81 100644
--- a/include/models/schedule.h
+++ b/include/models/schedule.h
@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <uuid/uuid.h>
+#include <lmdb.h>
 
 #include <models/period.h>
 
diff --git a/src/main.c b/src/main.c
index a13c75e..17149e2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <time.h>
+#include <lmdb.h>
 #include <signal.h>
 #include <syslog.h>