diff --git a/default.nix b/default.nix
index b19802c13..a7d6d0007 100644
--- a/default.nix
+++ b/default.nix
@@ -1,9 +1,9 @@
 let
   # Commit of the Nixpkgs repository that we want to use.
   nixpkgsVersion = {
-    date = "2023-03-25";
-    rev = "dbf5322e93bcc6cfc52268367a8ad21c09d76fea";
-    tarballHash = "0lwk4v9dkvd28xpqch0b0jrac4xl9lwm6snrnzx8k5lby72kmkng";
+    date = "2024-01-06";
+    rev = "4bbf5a2eb6046c54f7a29a0964c642ebfe912cbc";
+    tarballHash = "03p45qdcxqxc41mmzmmyzbkff29vv95vv643z0kd3mf1s2nnsy5b";
   };
 
   # Nix files that describe the Nixpkgs repository. We evaluate the expression