diff --git a/.cargo/audit.toml b/.cargo/audit.toml
new file mode 100644
index 000000000..eb0c6133a
--- /dev/null
+++ b/.cargo/audit.toml
@@ -0,0 +1,4 @@
+[advisories]
+ignore = [
+  "RUSTSEC-2020-0095" # difference is unmaintained (used by `mockito`)
+]