diff --git a/lectures/_toc.yml b/lectures/_toc.yml
index 99525006..7fb55956 100644
--- a/lectures/_toc.yml
+++ b/lectures/_toc.yml
@@ -24,7 +24,7 @@ parts:
   - file: short_path
   - file: opt_invest
   - file: opt_savings
-  # - file: inventory_ssd
+  - file: inventory_ssd
   - file: ifp_egm
   - file: arellano
   - file: aiyagari_jax