diff --git a/pkgs/tools/networking/wireguard-tools/default.nix b/pkgs/tools/networking/wireguard-tools/default.nix
index fcb2025f15d..54210469fba 100644
--- a/pkgs/tools/networking/wireguard-tools/default.nix
+++ b/pkgs/tools/networking/wireguard-tools/default.nix
@@ -4,11 +4,11 @@ with stdenv.lib;
 
 stdenv.mkDerivation rec {
   name = "wireguard-tools-${version}";
-  version = "0.0.20181218";
+  version = "0.0.20190123";
 
   src = fetchzip {
     url = "https://git.zx2c4.com/WireGuard/snapshot/WireGuard-${version}.tar.xz";
-    sha256 = "15lch0s4za7q5mr0dzdzwfsr7pr2i9gjygmpdnidwlx4z72vsajj";
+    sha256 = "1lyl3nmsgp9jk9js3vz032vdx7cg9ynkwzdr19wrr26pkxhpcnxr";
   };
 
   sourceRoot = "source/src/tools";