diff --git a/CryptoPkg/CryptoPkg.ci.yaml b/CryptoPkg/CryptoPkg.ci.yaml
index e21fafac1e..396ca93dbe 100644
--- a/CryptoPkg/CryptoPkg.ci.yaml
+++ b/CryptoPkg/CryptoPkg.ci.yaml
@@ -36,6 +36,7 @@
             "Library/Include/CrtLibSupport.h",
             # This has OpenSSL interfaces that aren't UEFI spec compliant
             "Library/BaseCryptLib/Hash/CryptParallelHash.h",
+            "Library/Include/fcntl.h",
             # These directories contain auto-generated OpenSSL content
             "Library/OpensslLib",
             "Library/IntrinsicLib",
diff --git a/CryptoPkg/Library/Include/fcntl.h b/CryptoPkg/Library/Include/fcntl.h
new file mode 100644
index 0000000000..040ecfa519
--- /dev/null
+++ b/CryptoPkg/Library/Include/fcntl.h
@@ -0,0 +1,9 @@
+/** @file
+  Include file to support building the third-party cryptographic library.
+
+Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <CrtLibSupport.h>