diff --git a/Release-Checklist.md b/Release-Checklist.md
index 7d37a86..aa54b20 100644
--- a/Release-Checklist.md
+++ b/Release-Checklist.md
@@ -5,6 +5,7 @@
   * Run `pgpainless-cli/rewriteManPages.sh` to keep man pages in sync.
 * If BC version bump: Check for disabled tests that are now fixed.
 * Check if code is in good shape -> `gradle check javadocAll`
+* Perform a run of the OpenPGP Interoperability Testsuite to rule out any CLI issues
 * If MAJOR or MINOR version bump:
   * `git checkout -b release/X.Y`
   * Update SECURITY.md with supported versions