diff --git a/src/mbedtls.h b/src/mbedtls.h
index e4e99516..6091f2ec 100644
--- a/src/mbedtls.h
+++ b/src/mbedtls.h
@@ -41,6 +41,7 @@
 
 #define LIBSSH2_CRYPTO_ENGINE libssh2_mbedtls
 
+#include <mbedtls/version.h>
 #include <mbedtls/platform.h>
 #include <mbedtls/md.h>
 #include <mbedtls/rsa.h>