diff --git a/pkgs/tools/networking/libreswan/default.nix b/pkgs/tools/networking/libreswan/default.nix
index 4df0471bbd8..7c500d50925 100644
--- a/pkgs/tools/networking/libreswan/default.nix
+++ b/pkgs/tools/networking/libreswan/default.nix
@@ -43,11 +43,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "libreswan";
-  version = "4.6";
+  version = "4.7";
 
   src = fetchurl {
     url = "https://download.libreswan.org/${pname}-${version}.tar.gz";
-    sha256 = "1zsnsfx18pf5dy1p4jva2sfl0bdfx5y9ls54f9bp70m64r46yf96";
+    sha256 = "0i7wyfgkaq6kcfhh1yshb1v7q42n3zvdkhq10f3ks1h075xk7mnx";
   };
 
   strictDeps = true;
@@ -112,6 +112,7 @@ stdenv.mkDerivation rec {
     "INITSYSTEM=systemd"
     "UNITDIR=$(out)/etc/systemd/system/"
     "TMPFILESDIR=$(out)/lib/tmpfiles.d/"
+    "LINUX_VARIANT=nixos"
   ];
 
   # Hack to make install work