diff --git a/nixos/modules/services/networking/corerad.nix b/nixos/modules/services/networking/corerad.nix
index 5d73c0a0d77..1c414c53a98 100644
--- a/nixos/modules/services/networking/corerad.nix
+++ b/nixos/modules/services/networking/corerad.nix
@@ -77,6 +77,8 @@ in {
         AmbientCapabilities = "CAP_NET_ADMIN CAP_NET_RAW";
         NoNewPrivileges = true;
         DynamicUser = true;
+        Type = "notify";
+        NotifyAccess = "main";
         ExecStart = "${getBin cfg.package}/bin/corerad -c=${cfg.configFile}";
         Restart = "on-failure";
       };
diff --git a/pkgs/tools/networking/corerad/default.nix b/pkgs/tools/networking/corerad/default.nix
index bbdb98ae495..2b1e94d2c19 100644
--- a/pkgs/tools/networking/corerad/default.nix
+++ b/pkgs/tools/networking/corerad/default.nix
@@ -1,24 +1,34 @@
-{ stdenv, buildGoModule, fetchFromGitHub }:
+{ stdenv, buildGoModule, fetchFromGitHub, nixosTests }:
 
 buildGoModule rec {
   pname = "corerad";
-  version = "0.2.6";
+  version = "0.2.7";
 
   src = fetchFromGitHub {
     owner = "mdlayher";
     repo = "corerad";
     rev = "v${version}";
-    sha256 = "16rwydvqkzi0jlgwpl3d4f8zd35y4lv4h5xa30ybqmwwp1k5ymf0";
+    sha256 = "073hjbwra8ihh11ha5ajqq2r98cc5li4k0xs4p4s055q197zj3aa";
   };
 
-  vendorSha256 = "1431fvi9b0id3zhgkxhiampc5avvp998lncyd5l2gn5py3qz6sdl";
+  vendorSha256 = "19hp8xqr50v8h9vblihalvkb9ll8c0v4p071j9j1zkbjhnb07rca";
 
-  buildFlagsArray = ''
-    -ldflags=
-    -X github.com/mdlayher/corerad/internal/build.linkTimestamp=1591474872
-    -X github.com/mdlayher/corerad/internal/build.linkVersion=v${version}
+  # Since the tarball pulled from GitHub doesn't contain git tag information,
+  # we fetch the expected tag's timestamp from a file in the root of the
+  # repository.
+  preBuild = ''
+    buildFlagsArray=(
+      -ldflags="
+        -X github.com/mdlayher/corerad/internal/build.linkTimestamp=$(<.gittagtime)
+        -X github.com/mdlayher/corerad/internal/build.linkVersion=v${version}
+      "
+    )
   '';
 
+  passthru.tests = {
+    inherit (nixosTests) corerad;
+  };
+
   meta = with stdenv.lib; {
     homepage = "https://github.com/mdlayher/corerad";
     description = "CoreRAD extensible and observable IPv6 NDP RA daemon";