diff --git a/src/mod_openssl.c b/src/mod_openssl.c
index 37a129e1..621a0ce3 100644
--- a/src/mod_openssl.c
+++ b/src/mod_openssl.c
@@ -50,6 +50,7 @@
 #endif
 
 #include "sys-crypto.h"
+#include "sys-crypto-md.h"
 
 #ifdef BORINGSSL_API_VERSION
 #undef OPENSSL_NO_STDIO /* for X509_STORE_load_locations() */
diff --git a/src/sys-crypto-md.h b/src/sys-crypto-md.h
index a3f8b3e6..f2283b6b 100644
--- a/src/sys-crypto-md.h
+++ b/src/sys-crypto-md.h
@@ -257,6 +257,13 @@ SHA256_Update(SHA256_CTX *ctx, const void *data, size_t length)
 
 #elif defined(USE_OPENSSL_CRYPTO)
 
+#include <openssl/opensslv.h>
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+#include <openssl/macros.h>
+#undef DEPRECATEDIN_3_0
+#define DEPRECATEDIN_3_0(f) f;
+#endif
+
 #include <openssl/md4.h>
 #include <openssl/md5.h>
 #include <openssl/sha.h>