diff --git a/security.txt b/security.txt
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index 0000000..6aabb69
--- /dev/null
+++ b/security.txt
@@ -0,0 +1,4 @@
+Contact: mailto:security@vikunja.io
+Expires: 2022-12-31T22:59:00.000Z
+Encryption: https://vikunja.io/contact/security.pub
+Preferred-Languages: en, de