- diff --git a/Modules/_ssl.c b/Modules/_ssl.c
- index 2bce4816d2..3c93884809 100644
- --- a/Modules/_ssl.c
- +++ b/Modules/_ssl.c
- @@ -63,6 +63,7 @@ static PySocketModule_APIObject PySocketModule;
- #include "openssl/err.h"
- #include "openssl/rand.h"
- #include "openssl/bio.h"
- +#include "openssl/dh.h"
-
- #ifndef HAVE_X509_VERIFY_PARAM_SET1_HOST
- # ifdef LIBRESSL_VERSION_NUMBER
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