diff --git a/include/haproxy/quic_tls.h b/include/haproxy/quic_tls.h
index c9c705b08..7056a4356 100644
--- a/include/haproxy/quic_tls.h
+++ b/include/haproxy/quic_tls.h
@@ -88,6 +88,16 @@ int quic_tls_derive_retry_token_secret(const EVP_MD *md,
                                        const unsigned char *salt, size_t saltlen,
                                        const unsigned char *secret, size_t secretlen);
 
+int quic_hkdf_expand(const EVP_MD *md,
+                     unsigned char *buf, size_t buflen,
+                     const unsigned char *key, size_t keylen,
+                     const unsigned char *label, size_t labellen);
+
+int quic_hkdf_expand_label(const EVP_MD *md,
+                           unsigned char *buf, size_t buflen,
+                           const unsigned char *key, size_t keylen,
+                           const unsigned char *label, size_t labellen);
+
 int quic_hkdf_extract_and_expand(const EVP_MD *md,
                                  unsigned char *buf, size_t buflen,
                                  const unsigned char *key, size_t keylen,