diff --git a/src/_cffi_src/openssl/ssl.py b/src/_cffi_src/openssl/ssl.py
index e188071..c921dbe 100644
--- a/src/_cffi_src/openssl/ssl.py
+++ b/src/_cffi_src/openssl/ssl.py
@@ -537,6 +537,11 @@
 int SSL_verify_client_post_handshake(SSL *);
 void SSL_CTX_set_post_handshake_auth(SSL_CTX *, int);
 void SSL_set_post_handshake_auth(SSL *, int);
+
+uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *);
+int SSL_write_early_data(SSL *, const void *, size_t, size_t *);
+int SSL_read_early_data(SSL *, void *, size_t, size_t *);
+int SSL_CTX_set_max_early_data(SSL_CTX *, uint32_t);
 """
 
 CUSTOMIZATIONS = """
@@ -831,6 +836,10 @@
 int (*SSL_verify_client_post_handshake)(SSL *) = NULL;
 void (*SSL_CTX_set_post_handshake_auth)(SSL_CTX *, int) = NULL;
 void (*SSL_set_post_handshake_auth)(SSL *, int) = NULL;
+uint32_t (*SSL_SESSION_get_max_early_data)(const SSL_SESSION *) = NULL;
+int (*SSL_write_early_data)(SSL *, const void *, size_t, size_t *) = NULL;
+int (*SSL_read_early_data)(SSL *, void *, size_t, size_t *) = NULL;
+int (*SSL_CTX_set_max_early_data)(SSL_CTX *, uint32_t) = NULL;
 #else
 static const long Cryptography_HAS_TLSv1_3 = 1;
 #endif
diff --git a/src/cryptography/hazmat/bindings/openssl/_conditional.py b/src/cryptography/hazmat/bindings/openssl/_conditional.py
index 330a718..6da48a5 100644
--- a/src/cryptography/hazmat/bindings/openssl/_conditional.py
+++ b/src/cryptography/hazmat/bindings/openssl/_conditional.py
@@ -305,6 +305,10 @@
         "SSL_verify_client_post_handshake",
         "SSL_CTX_set_post_handshake_auth",
         "SSL_set_post_handshake_auth",
+        "SSL_SESSION_get_max_early_data",
+        "SSL_write_early_data",
+        "SSL_read_early_data",
+        "SSL_CTX_set_max_early_data",
     ]