diff --git a/pkgs/development/libraries/nghttp3/default.nix b/pkgs/development/libraries/nghttp3/default.nix
index af83fb29c01e..2810114cb6ba 100644
--- a/pkgs/development/libraries/nghttp3/default.nix
+++ b/pkgs/development/libraries/nghttp3/default.nix
@@ -1,6 +1,7 @@
 { lib, stdenv, fetchFromGitHub
 , autoreconfHook, pkg-config, file
 , cunit, ncurses
+, curlHTTP3
 }:
 
 stdenv.mkDerivation rec {
@@ -26,6 +27,10 @@ stdenv.mkDerivation rec {
   doCheck = true;
   enableParallelBuilding = true;
 
+  passthru.tests = {
+    inherit curlHTTP3;
+  };
+
   meta = with lib; {
     homepage = "https://github.com/ngtcp2/nghttp3";
     description = "nghttp3 is an implementation of HTTP/3 mapping over QUIC and QPACK in C.";
diff --git a/pkgs/development/libraries/ngtcp2/default.nix b/pkgs/development/libraries/ngtcp2/default.nix
index d61a5d2fd9a7..3ea84895eb9b 100644
--- a/pkgs/development/libraries/ngtcp2/default.nix
+++ b/pkgs/development/libraries/ngtcp2/default.nix
@@ -3,6 +3,7 @@
 , libev, nghttp3, quictls
 , cunit, ncurses
 , withJemalloc ? false, jemalloc
+, curlHTTP3
 }:
 
 stdenv.mkDerivation rec {
@@ -29,6 +30,10 @@ stdenv.mkDerivation rec {
   doCheck = true;
   enableParallelBuilding = true;
 
+  passthru.tests = {
+    inherit curlHTTP3;
+  };
+
   meta = with lib; {
     homepage = "https://github.com/ngtcp2/ngtcp2";
     description = "ngtcp2 project is an effort to implement QUIC protocol which is now being discussed in IETF QUICWG for its standardization.";