diff --git a/include/openssl/cipher.h b/include/openssl/cipher.h
index 31390a3..81018db 100644
--- a/include/openssl/cipher.h
+++ b/include/openssl/cipher.h
@@ -431,9 +431,17 @@
 // EVP_aes_128_cfb128 is only available in decrepit.
 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_cfb128(void);
 
+// EVP_aes_128_cfb is an alias for |EVP_aes_128_cfb128| and is only available in
+// decrepit.
+OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_cfb(void);
+
 // EVP_aes_256_cfb128 is only available in decrepit.
 OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_cfb128(void);
 
+// EVP_aes_256_cfb is an alias for |EVP_aes_256_cfb128| and is only available in
+// decrepit.
+OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_cfb(void);
+
 // EVP_bf_ecb is Blowfish in ECB mode and is only available in decrepit.
 OPENSSL_EXPORT const EVP_CIPHER *EVP_bf_ecb(void);