diff --git a/pkgs/tools/admin/lego/default.nix b/pkgs/tools/admin/lego/default.nix
index 4b2d88cdf275..18ec4ba4636e 100644
--- a/pkgs/tools/admin/lego/default.nix
+++ b/pkgs/tools/admin/lego/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "lego";
-  version = "3.8.0";
+  version = "4.0.1";
 
   src = fetchFromGitHub {
     owner = "go-acme";
     repo = pname;
     rev = "v${version}";
-    sha256 = "02p7zlrz8fp5bsvhk4jrx5x3gxnl00friay1jihlzyk3s400n9jb";
+    sha256 = "1s3sh4n12g7ylkpmxqjcpdw3gqhdjbh9r09h2rsrm30xr4qaqpng";
   };
 
-  vendorSha256 = "0jh7qi422i2114198fain9nwwf8yd8vna0p3g0hvginh59svyagc";
+  vendorSha256 = "0p2pibid2d761whfk7zgq230lyqi2f0wmfvxqkjzrd1sba40r9bp";
 
   doCheck = false;