diff --git a/deps/libmariadbclient/include/mysql/service_encryption.h b/deps/libmariadbclient/include/mysql/service_encryption.h
index be21af7..6450239 100644
--- a/deps/libmariadbclient/include/mysql/service_encryption.h
+++ b/deps/libmariadbclient/include/mysql/service_encryption.h
@@ -34,10 +34,14 @@ extern "C" {
 #ifndef __cplusplus
 #define inline __inline
 #endif
+#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
+#include <stdlib.h>
 #else
+#ifndef __FreeBSD__
 #include <alloca.h>
 #endif
 #endif
+#endif
 
 /* returned from encryption_key_get_latest_version() */
 #define ENCRYPTION_KEY_VERSION_INVALID        (~(unsigned int)0)