diff --git a/pkgs/applications/misc/p2pool/default.nix b/pkgs/applications/misc/p2pool/default.nix
index b5de0b059a8e..32a3b2c7a00a 100644
--- a/pkgs/applications/misc/p2pool/default.nix
+++ b/pkgs/applications/misc/p2pool/default.nix
@@ -1,5 +1,6 @@
 { stdenv
 , cmake
+, curl
 , fetchFromGitHub
 , gss
 , hwloc
@@ -14,18 +15,18 @@
 
 stdenv.mkDerivation rec {
   pname = "p2pool";
-  version = "2.1";
+  version = "2.2.1";
 
   src = fetchFromGitHub {
     owner = "SChernykh";
     repo = "p2pool";
     rev = "v${version}";
-    sha256 = "sha256-cpBMzYLcU93GXYkBhUdoRovjQ2hd1+pAt6d9aAOaZT8=";
+    sha256 = "sha256-iDswjKDGii1OnMmdhiisbwuWjs7omNOF+tubJLs69qY=";
     fetchSubmodules = true;
   };
 
   nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ libuv zeromq libsodium gss hwloc openssl ];
+  buildInputs = [ libuv zeromq libsodium gss hwloc openssl curl ];
 
   installPhase = ''
     runHook preInstall