diff --git a/npins/sources.json b/npins/sources.json
index 2308302..d4ab0db 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -155,9 +155,9 @@
         "repo": "nixbook"
       },
       "branch": "main",
-      "revision": "b85cc97b74f59c704f986475797f467028e10924",
-      "url": "https://github.com/didactiklabs/nixbook/archive/b85cc97b74f59c704f986475797f467028e10924.tar.gz",
-      "hash": "0x0dvrdi6w3hkdkihnbwshmpcbdai0lpk1ypnh4i93z8f29c8752"
+      "revision": "9af26c10f34c9ba5d58aeb16e6ff57af29be101e",
+      "url": "https://github.com/didactiklabs/nixbook/archive/9af26c10f34c9ba5d58aeb16e6ff57af29be101e.tar.gz",
+      "hash": "1q9h1np7fds3x3r5zv7p5mi6ckwhbg49m0wngyirsw6azkq8nldl"
     },
     "nixpkgs": {
       "type": "Git",