diff --git a/.gitignore b/.gitignore
index f384ab6..ce21f77 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,6 @@ Cargo.lock.orig
 
 # Hot-reload build artifacts for node cdylibs live under target/; nothing else
 # generated is checked in.
+
+# Session retrospectives are local-only run telemetry, not a repo artifact.
+/docs/postmortems/