diff --git a/nixos/tests/wireguard/default.nix b/nixos/tests/wireguard/default.nix
index da08a81c42b3..93d0efaf0889 100644
--- a/nixos/tests/wireguard/default.nix
+++ b/nixos/tests/wireguard/default.nix
@@ -39,7 +39,8 @@ listToAttrs (
     flip mapAttrsToList tests (
       name: test:
       nameValuePair "wireguard-${name}-linux-${v'}" (test {
-        kernelPackages = pkgs."linuxPackages_${v'}";
+        kernelPackages =
+          if v' == "latest" then pkgs.linuxPackages_latest else pkgs.linuxKernel.packages."linux_${v'}";
       })
     )
   )
diff --git a/pkgs/by-name/wi/wireguard-tools/package.nix b/pkgs/by-name/wi/wireguard-tools/package.nix
index b8bad89199da..19e3585bca1d 100644
--- a/pkgs/by-name/wi/wireguard-tools/package.nix
+++ b/pkgs/by-name/wi/wireguard-tools/package.nix
@@ -14,11 +14,11 @@
 
 stdenv.mkDerivation rec {
   pname = "wireguard-tools";
-  version = "1.0.20210914";
+  version = "1.0.20250521";
 
   src = fetchzip {
     url = "https://git.zx2c4.com/wireguard-tools/snapshot/wireguard-tools-${version}.tar.xz";
-    sha256 = "sha256-eGGkTVdPPTWK6iEyowW11F4ywRhd+0IXJTZCqY3OZws=";
+    sha256 = "sha256-V9yKf4ZvxpOoVCFkFk18+130YBMhyeMt0641tn0O0e0=";
   };
 
   outputs = [