diff --git a/overlays.nix b/overlays.nix
index ce93e48..0877bb9 100644
--- a/overlays.nix
+++ b/overlays.nix
@@ -3,6 +3,7 @@
 in
   [
     # Local overlays
+    (import ./overlays/crates-io-ua.nix args)
     (import ./overlays/shell-scripts.nix args)
     (import ./overlays/terminal.nix args)
     (import ./overlays/system-libs.nix args)
diff --git a/overlays/crates-io-ua.nix b/overlays/crates-io-ua.nix
new file mode 100644
index 0000000..d7bbf5f
--- /dev/null
+++ b/overlays/crates-io-ua.nix
@@ -0,0 +1,12 @@
+{inputs, ...}: final: prev: {
+  fetchurl =
+    prev.fetchurl
+    // {
+      __functor = self: args:
+        prev.fetchurl (
+          if builtins.isAttrs args && prev.lib.hasInfix "crates.io" (args.url or "")
+          then args // {curlOptsList = (args.curlOptsList or []) ++ ["--user-agent" "nix-fetchurl"];}
+          else args
+        );
+    };
+}