diff --git a/src/libsodium/include/sodium/crypto_onetimeauth_poly1305_53.h b/src/libsodium/include/sodium/crypto_onetimeauth_poly1305_53.h
new file mode 100644
index 00000000..2d650cb9
--- /dev/null
+++ b/src/libsodium/include/sodium/crypto_onetimeauth_poly1305_53.h
@@ -0,0 +1,29 @@
+#ifndef crypto_onetimeauth_poly1305_53_H
+#define crypto_onetimeauth_poly1305_53_H
+
+#include "crypto_onetimeauth_poly1305.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern struct crypto_onetimeauth_poly1305_implementation
+        crypto_onetimeauth_poly1305_53_implementation;
+
+const char *crypto_onetimeauth_poly1305_53_implementation_name(void);
+    
+int crypto_onetimeauth_poly1305_53(unsigned char *out,
+                                   const unsigned char *in,
+                                   unsigned long long inlen,
+                                   const unsigned char *k);
+    
+int crypto_onetimeauth_poly1305_53_verify(const unsigned char *h,
+                                          const unsigned char *in,
+                                          unsigned long long inlen,
+                                          const unsigned char *k);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif