diff --git a/pkgs/servers/dns/https-dns-proxy/default.nix b/pkgs/servers/dns/https-dns-proxy/default.nix
index c32d3eca226..5e2efae8a28 100644
--- a/pkgs/servers/dns/https-dns-proxy/default.nix
+++ b/pkgs/servers/dns/https-dns-proxy/default.nix
@@ -3,13 +3,13 @@
 stdenv.mkDerivation rec {
   pname = "https-dns-proxy";
   # there are no stable releases (yet?)
-  version = "unstable-20200419";
+  version = "unstable-2021-03-29";
 
   src = fetchFromGitHub {
     owner = "aarond10";
     repo = "https_dns_proxy";
-    rev = "79fc7b085e3b1ad64c8332f7115dfe2bf5f1f3e4";
-    sha256 = "1cdfswfjby4alp6gy7yyjm76kfyclh5ax0zadnqs2pyigg9plh0b";
+    rev = "bbd9ef272dcda3ead515871f594768af13192af7";
+    sha256 = "sha256-r+IpDklI3vITK8ZlZvIFm3JdDe2r8DK2ND3n1a/ThrM=";
   };
 
   nativeBuildInputs = [ cmake gtest ];