diff --git a/nix/mozilla-overlay.nix b/nix/mozilla-overlay.nix
index fef0301..5082703 100644
--- a/nix/mozilla-overlay.nix
+++ b/nix/mozilla-overlay.nix
@@ -3,8 +3,8 @@ let
   overlay = pkgs.fetchFromGitHub {
     owner = "mozilla";
     repo = "nixpkgs-mozilla";
-    rev = "efda5b357451dbb0431f983cca679ae3cd9b9829";
-    sha256 = "11wqrg86g3qva67vnk81ynvqyfj0zxk83cbrf0p9hsvxiwxs8469";
+    rev = "b1001ed670666ca4ce1c1b064481f88694315c1d";
+    sha256 = "1hpig8z4pzdwc2vazr6hg7qyxllbgznsaivaigjnmrdszlxz55zz";
   };
 in
   import overlay
diff --git a/nix/rust-platform.nix b/nix/rust-platform.nix
index dedae52..c7088d8 100644
--- a/nix/rust-platform.nix
+++ b/nix/rust-platform.nix
@@ -6,7 +6,7 @@ let
   targets = [];
   rustChannelOfTargets = _channel: _date: targets:
     (pkgs.lib.rustLib.fromManifestFile rustManifest {
-      inherit (pkgs) stdenv fetchurl patchelf;
+      inherit (pkgs) stdenv lib fetchurl patchelf;
     }).rust.override {
       inherit targets;
       extensions = ["rust-src"];