diff --git a/tests/data_files/crl-future.pem b/tests/data_files/crl-future.pem
new file mode 100644
index 0000000..1938219
--- /dev/null
+++ b/tests/data_files/crl-future.pem
@@ -0,0 +1,11 @@
+-----BEGIN X509 CRL-----
+MIIBgzCCAQoCAQEwCQYHKoZIzj0EATA+MQswCQYDVQQGEwJOTDERMA8GA1UEChMI
+UG9sYXJTU0wxHDAaBgNVBAMTE1BvbGFyc3NsIFRlc3QgRUMgQ0EXDTMyMDMxMDEx
+MDUxNVoXDTQyMDMwODExMDUxNVowKDASAgEKFw0xMzA5MjQxNjI4MzhaMBICARYX
+DTE0MDEyMDEzNDMwNVqgcjBwMG4GA1UdIwRnMGWAFJ1tICRJAT8ry3i1Gbx+JMnb
++zZ8oUKkQDA+MQswCQYDVQQGEwJOTDERMA8GA1UEChMIUG9sYXJTU0wxHDAaBgNV
+BAMTE1BvbGFyc3NsIFRlc3QgRUMgQ0GCCQDBQ+J+YkPM6DAJBgcqhkjOPQQBA2gA
+MGUCMQCmsvNsOQdbGpmzpeZlKU9lDP6yyWenrI/89swZYogE3cSPob4tOzeYg38i
+or91IPgCMD7N/0Qz6Nq2IgBtZORLgsA0ltK+W6AOS+/EIhvGuXV8uguUyYknl4vb
++cE+lWxhCQ==
+-----END X509 CRL-----