diff --git a/src/_cffi_src/openssl/err.py b/src/_cffi_src/openssl/err.py
index d824cf3..f388c5f 100644
--- a/src/_cffi_src/openssl/err.py
+++ b/src/_cffi_src/openssl/err.py
@@ -80,6 +80,7 @@
 static const int ASN1_R_NO_CONTENT_TYPE;
 static const int ASN1_R_NO_MULTIPART_BODY_FAILURE;
 static const int ASN1_R_NO_MULTIPART_BOUNDARY;
+static const int ASN1_R_HEADER_TOO_LONG;
 
 static const int DH_F_COMPUTE_KEY;
 
@@ -198,6 +199,8 @@
 static const int SSL_AD_INTERNAL_ERROR;
 static const int SSL_AD_ACCESS_DENIED;
 static const int SSL_AD_HANDSHAKE_FAILURE;
+
+static const int X509_R_CERT_ALREADY_IN_HASH_TABLE;
 """
 
 FUNCTIONS = """