1 files changed, 3 insertions, 1 deletions

diff --git a/src/regress/lib/libcrypto/pqueue/pq_test.c b/src/regress/lib/libcrypto/pqueue/pq_test.c
index 7a69f0cf59..a078ba5366 100644
--- a/src/regress/lib/libcrypto/pqueue/pq_test.c
+++ b/src/regress/lib/libcrypto/pqueue/pq_test.c
@@ -56,7 +56,9 @@
  * Hudson (tjh@cryptsoft.com).
  *
  */
-
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "pqueue.h"
 
 /* remember to change expected.txt if you change these values */