diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index b56a4c5..e512a90 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -427,6 +427,8 @@
 * ``x509/ocsp/resp-revoked-reason.der`` - An OCSP response from the
   ``QuoVadis`` OCSP responder that contains a revoked certificate with a
   revocation reason.
+* ``x509/ocsp/resp-revoked-no-next-update.der`` - An OCSP response that
+  contains a revoked certificate and no ``nextUpdate`` value.
 
 Custom X.509 OCSP Test Vectors
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/src/cryptography/hazmat/backends/openssl/ocsp.py b/src/cryptography/hazmat/backends/openssl/ocsp.py
index cd3650a..32e26a0 100644
--- a/src/cryptography/hazmat/backends/openssl/ocsp.py
+++ b/src/cryptography/hazmat/backends/openssl/ocsp.py
@@ -278,8 +278,10 @@
             self._backend._ffi.NULL,
             asn1_time,
         )
-        self._backend.openssl_assert(asn1_time[0] != self._backend._ffi.NULL)
-        return _parse_asn1_generalized_time(self._backend, asn1_time[0])
+        if asn1_time[0] != self._backend._ffi.NULL:
+            return _parse_asn1_generalized_time(self._backend, asn1_time[0])
+        else:
+            return None
 
     @property
     @_requires_successful_response
diff --git a/tests/x509/test_ocsp.py b/tests/x509/test_ocsp.py
index 0d44b6d..3ee6a26 100644
--- a/tests/x509/test_ocsp.py
+++ b/tests/x509/test_ocsp.py
@@ -319,6 +319,14 @@
         )
         assert resp.revocation_reason is x509.ReasonFlags.superseded
 
+    def test_load_revoked_no_next_update(self):
+        resp = _load_data(
+            os.path.join("x509", "ocsp", "resp-revoked-no-next-update.der"),
+            ocsp.load_der_ocsp_response,
+        )
+        assert resp.serial_number == 16160
+        assert resp.next_update is None
+
     def test_response_extensions(self):
         resp = _load_data(
             os.path.join("x509", "ocsp", "resp-revoked-reason.der"),
diff --git a/vectors/cryptography_vectors/x509/ocsp/resp-revoked-no-next-update.der b/vectors/cryptography_vectors/x509/ocsp/resp-revoked-no-next-update.der
new file mode 100644
index 0000000..c9bb9d6
--- /dev/null
+++ b/vectors/cryptography_vectors/x509/ocsp/resp-revoked-no-next-update.der
Binary files differ