diff --git a/overlays/overrides.nix b/overlays/overrides.nix
index d890074..da9ff4d 100644
--- a/overlays/overrides.nix
+++ b/overlays/overrides.nix
@@ -23,6 +23,19 @@ channels: final: prev: {
     spice-gtk
     ;
 
+  inherit (channels.stable)
+    nvfetcher
+    ;
+
+  # https://github.com/NixOS/nixpkgs/issues/167579
+  python39Packages = prev.python39Packages.override
+    (old: {
+      overrides = prev.lib.composeExtensions (old.overrides or (_: _: { }))
+        (py39final: py39prev: {
+          inherit (channels.stable.python39Packages) pycurl;
+        });
+    });
+
   haskellPackages = prev.haskellPackages.override
     (old: {
       overrides = prev.lib.composeExtensions (old.overrides or (_: _: { })) (hfinal: hprev:
diff --git a/shell/devos.nix b/shell/devos.nix
index dd6f75e..f1b8ffc 100644
--- a/shell/devos.nix
+++ b/shell/devos.nix
@@ -33,12 +33,12 @@ in
   commands = with pkgs; [
     (devos nixUnstable)
     (devos agenix)
-    {
-      category = "devos";
-      name = pkgs.nvfetcher-bin.pname;
-      help = pkgs.nvfetcher-bin.meta.description;
-      command = "cd $PRJ_ROOT/pkgs; ${pkgs.nvfetcher-bin}/bin/nvfetcher -c ./sources.toml $@";
-    }
+    # {
+    #   category = "devos";
+    #   name = pkgs.nvfetcher-bin.pname;
+    #   help = pkgs.nvfetcher-bin.meta.description;
+    #   command = "cd $PRJ_ROOT/pkgs; ${pkgs.nvfetcher-bin}/bin/nvfetcher -c ./sources.toml $@";
+    # }
     (linter nixpkgs-fmt)
     (linter editorconfig-checker)
     # (docs python3Packages.grip) too many deps