diff --git a/tests/data_files/crl-rsa-pss-sha1-badsign.pem b/tests/data_files/crl-rsa-pss-sha1-badsign.pem
new file mode 100644
index 0000000..7e2a596
--- /dev/null
+++ b/tests/data_files/crl-rsa-pss-sha1-badsign.pem
@@ -0,0 +1,14 @@
+-----BEGIN X509 CRL-----
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+-----END X509 CRL-----