diff --git a/.snyk b/.snyk
new file mode 100644
index 0000000..0a2618f
--- /dev/null
+++ b/.snyk
@@ -0,0 +1,9 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.13.5
+# ignores vulnerabilities until expiry date; change duration by modifying expiry date
+ignore:
+  SNYK-JS-MARKED-451341:
+    - '@pushrocks/smartletter > @pushrocks/smartmarkdown > marked':
+        reason: None given
+        expires: '2019-12-22T14:15:23.685Z'
+patch: {}