diff --git a/.gitmodules b/.gitmodules
index ac07235b8..51f5a1618 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -8,3 +8,6 @@
 	url = https://github.com/logos-messaging/waku-rlnv2-contract.git
 	ignore = untracked
 	branch = master
+[submodule "vendor/nph"]
+	path = vendor/nph
+	url = https://github.com/arnetheduck/nph
diff --git a/waku.nimble b/waku.nimble
index 2b564bba4..e470fc4e0 100644
--- a/waku.nimble
+++ b/waku.nimble
@@ -28,7 +28,7 @@ requires "nim >= 2.2.4",
   "nat_traversal",
   "dnsdisc",
   "dnsclient",
-  "httputils",
+  "httputils >= 0.4.1",
   # Cryptography
   "nimcrypto",
   "secp256k1",