diff --git a/blog.json b/blog.json
index 72f42eb..633517a 100644
--- a/blog.json
+++ b/blog.json
@@ -410,6 +410,14 @@
             "time": 1663636905.053169,
             "keywords": "mark marking average math support browser google chrome chromium firefox",
             "hidden": false
+        },
+        "how-to-make-your-own-gentoo-linux-overlay": {
+            "title": "SG93IHRvIG1ha2UgeW91ciBvd24gR2VudG9vIExpbnV4IG92ZXJsYXk=",
+            "content": "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",
+            "version": 1,
+            "time": 1663872269.853418,
+            "keywords": "gentoo overlay gentoo-overlay emerge portage repo repository github package linux gentoo-linux",
+            "hidden": false
         }
     }
 }
\ No newline at end of file