diff --git a/pkgs/nixpkgs-pinned.nix b/pkgs/nixpkgs-pinned.nix
index 7cbfd65..40b07a2 100644
--- a/pkgs/nixpkgs-pinned.nix
+++ b/pkgs/nixpkgs-pinned.nix
@@ -8,11 +8,11 @@ in
 {
   # To update, run ../helper/fetch-channel REV
   nixpkgs = fetch {
-    rev = "c2c5dcc00b05f0f6007d7a997dc9d90aefb49f28";
-    sha256 = "1sjy9b1jh7k4bhww42zyjjim4c1nn8r4fdbqmyqy4hjyfrh9z6jc";
+    rev = "839cd8d03aa55f067e23a64097fc5b7d7e02f468";
+    sha256 = "1w0xklkk9lbwvrx02gng71pyf476h223098692pji5wg5l0sgm02";
   };
   nixpkgs-unstable = fetch {
-    rev = "ea79a830dcf9c0059656da7f52835d2663d5c436";
-    sha256 = "0vqnfh99358v9ym5z9i3dsfy0l4xxgh9hr278pi1y11gdl092014";
+    rev = "7c2fc1ce23a805f3220d867f528ceb9bd848d2e1";
+    sha256 = "1g562hlp5ha11a41daav9bnq86n4nmbm3xzhpzmma8c4jn4k2p8y";
   };
 }