diff -urN a/src/OpenSSL/crypto.py b/src/OpenSSL/crypto.py
--- a/src/OpenSSL/crypto.py	2023-04-29 03:22:33.000000000 +0200
+++ b/src/OpenSSL/crypto.py	2024-08-02 10:24:47.843604182 +0200
@@ -39,6 +39,20 @@
 )
 
 
+# Define X509_CRL_set1_lastUpdate and X509_CRL_set1_nextUpdate if are missing,
+# but X509_CRL_set_lastUpdate and X509_CRL_set_nextUpdate present.
+# It's required for backward compatibility with older openssl versions.
+if (
+    not hasattr(_lib, "X509_CRL_set1_lastUpdate")
+    and hasattr(_lib, "X509_CRL_set_lastUpdate")
+):
+    _lib.X509_CRL_set1_lastUpdate = _lib.X509_CRL_set_lastUpdate
+if (
+    not hasattr(_lib, "X509_CRL_set1_nextUpdate")
+    and hasattr(_lib, "X509_CRL_set_nextUpdate")
+):
+    _lib.X509_CRL_set1_nextUpdate = _lib.X509_CRL_set_nextUpdate
+
 __all__ = [
     "FILETYPE_PEM",
     "FILETYPE_ASN1",