diff --git a/pkgs/ngtcp2/default.nix b/pkgs/ngtcp2/default.nix
index 018cac7..0fc33f9 100644
--- a/pkgs/ngtcp2/default.nix
+++ b/pkgs/ngtcp2/default.nix
@@ -8,19 +8,17 @@
 
 stdenv.mkDerivation rec {
   pname = "ngtcp2";
-  version = "20210714";
+  version = "20210817";
 
   src = fetchFromGitHub {
     owner = "ngtcp2";
     repo = "ngtcp2";
-    rev = "7afbcff4b19b9d94ce49dfb7f9e092f7bef35f63";
-    sha256 = "16ir8xrcszjm8822m4grb598nykj21pi31nj9yyqz72pyryl3m4z";
+    rev = "5f87977119436c9f3e510af7fd1a6f47dcde04dc";
+    sha256 = "1nsqfqbl31w67hk8brbidys1si2fnlm2y4kscyhcykxll9hqw88p";
   };
 
   outputs = [ "out" "dev" ];
 
-  patches = [ ./gnutls_header.patch ];
-
   configureFlags = [
     "--with-gnutls"
   ];
diff --git a/pkgs/ngtcp2/gnutls_header.patch b/pkgs/ngtcp2/gnutls_header.patch
deleted file mode 100644
index af1f65c..0000000
--- a/pkgs/ngtcp2/gnutls_header.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/crypto/includes/Makefile.am b/crypto/includes/Makefile.am
-index 7e0589a3..56f29e34 100644
---- a/crypto/includes/Makefile.am
-+++ b/crypto/includes/Makefile.am
-@@ -26,3 +26,7 @@ nobase_include_HEADERS = ngtcp2/ngtcp2_crypto.h
- if HAVE_OPENSSL
- nobase_include_HEADERS += ngtcp2/ngtcp2_crypto_openssl.h
- endif
-+
-+if HAVE_GNUTLS
-+nobase_include_HEADERS += ngtcp2/ngtcp2_crypto_gnutls.h
-+endif