2 files changed, 6 insertions, 0 deletions

diff --git a/src/lib/libssl/dtls1.h b/src/lib/libssl/dtls1.h
index d91b6e6397..2fbb815b6d 100644
--- a/src/lib/libssl/dtls1.h
+++ b/src/lib/libssl/dtls1.h
@@ -61,6 +61,9 @@
 #define HEADER_DTLS1_H
 
 #include <openssl/buffer.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <sys/time.h>
 
 #ifdef  __cplusplus
diff --git a/src/lib/libssl/src/ssl/dtls1.h b/src/lib/libssl/src/ssl/dtls1.h
index d91b6e6397..2fbb815b6d 100644
--- a/src/lib/libssl/src/ssl/dtls1.h
+++ b/src/lib/libssl/src/ssl/dtls1.h
@@ -61,6 +61,9 @@
 #define HEADER_DTLS1_H
 
 #include <openssl/buffer.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <sys/time.h>
 
 #ifdef  __cplusplus