diff --git a/pkgs/ngtcp2/default.nix b/pkgs/ngtcp2/default.nix
index 82dab6c..a2aabb1 100644
--- a/pkgs/ngtcp2/default.nix
+++ b/pkgs/ngtcp2/default.nix
@@ -7,17 +7,21 @@
 
 stdenv.mkDerivation rec {
   pname = "ngtcp2";
-  version = "20210116";
+  version = "20210117";
 
   src = fetchFromGitHub {
     owner = "ngtcp2";
     repo = "ngtcp2";
-    rev = "c9bba36da0ea033ffc644b0a981b9fa78f5adae6";
-    sha256 = "19rz2zyln0f4rc4cms5yd4nmwcnnqpmbc3z330vbdfxazv4rcs1r";
+    rev = "9c41c641a76670a7a4157f93376ccd3a1ebf1b87";
+    sha256 = "12v9br6szchqr5g91bwi5nzpzvn9gddqcmh62lhpshzn064na40x";
   };
 
   outputs = [ "out" "dev" ];
 
+  configureFlags = [
+    "--with-gnutls"
+  ];
+
   nativeBuildInputs = [
     autoreconfHook
     pkgconfig