diff --git a/pkgs/by-name/nixpkgs-bootstrap/master.nix b/pkgs/by-name/nixpkgs-bootstrap/master.nix
index 7f3736f1f..b1dfef184 100644
--- a/pkgs/by-name/nixpkgs-bootstrap/master.nix
+++ b/pkgs/by-name/nixpkgs-bootstrap/master.nix
@@ -1,9 +1,15 @@
+# to fix sha256 (in case the updater glitches):
+# - set `sha256 = "";`
+# - nix-build -A hello
+#   => it will fail, `hash mismatch ... got:  sha256:xyz`
+# - nix hash to-sri sha256:xyz
+#   - paste the output as the new `sha256`
 {
   mkNixpkgs ? import ./mkNixpkgs.nix {}
 }:
 mkNixpkgs {
-  rev = "6d78a7d119cafea7d551d4f5fb5ac6fa8145c266";
-  sha256 = "sha256-qERz54AgvhH4QqLXTfM+JdQHmfHd7Blne2vWfLHwBEM=";
-  version = "0-unstable-2024-12-10";
+  rev = "5319145368e58c3483c23b78faec917fd85d6d60";
+  sha256 = "sha256-dXl+DCwDENnleEik6G1tlA+lQa4sWLQOePBjoY/ae0k=";
+  version = "0-unstable-2024-12-14";
   branch = "master";
 }
diff --git a/pkgs/by-name/nixpkgs-bootstrap/patches.nix b/pkgs/by-name/nixpkgs-bootstrap/patches.nix
index a4cba9bb3..1667e7232 100644
--- a/pkgs/by-name/nixpkgs-bootstrap/patches.nix
+++ b/pkgs/by-name/nixpkgs-bootstrap/patches.nix
@@ -65,13 +65,6 @@ in
   #   hash = "sha256-Gki/GZOyFcWQRfChouIEZMmg2GDdAtsUSyAbSbTqANc=";
   # })
 
-  (fetchpatch' {
-    name = "calls: 46.3 -> 47.0";
-    prUrl = "https://github.com/NixOS/nixpkgs/pull/363157";
-    # saneCommit = "17349a94e6e7d196ae6301603d791f69f14a8a4c";
-    hash = "sha256-ULm/x2st7UN0TwczXk3EertgTRkhfJbptNOIfatjLsQ=";
-  })
-
   (fetchpatch' {
     name = "apacheHttpdPackages.mod_dnssd: fix cross compilation";
     prUrl = "https://github.com/NixOS/nixpkgs/pull/362066";
@@ -81,8 +74,8 @@ in
   (fetchpatch' {
     # merged into staging 2024/11/28
     name = "poppler: format, add dependency for glib-mkenums to fix cross building";
-    prUrl = "https://github.com/NixOS/nixpkgs/pull/357344";
-    hash = "sha256-3Yv6Yy1K2dNrrduM2XTEDjSmkysguTbqb8T7mDK2ubI=";
+    prUrl = "https://github.com/NixOS/nixpkgs/pull/357344/commits/c972c7432f8d18c9f1e5f6b52d2724c99e6d05a9";
+    hash = "sha256-Dur6EFuc3uqMuJyXBKKIaj2Y0jA227y8U6lK06cQ718=";
   })