diff --git a/pkgs/applications/altcoins/bitcoin.nix b/pkgs/applications/altcoins/bitcoin.nix
index 25f223d57441..24bc3875dd5e 100644
--- a/pkgs/applications/altcoins/bitcoin.nix
+++ b/pkgs/applications/altcoins/bitcoin.nix
@@ -5,13 +5,13 @@
 with stdenv.lib;
 stdenv.mkDerivation rec{
   name = "bitcoin" + (toString (optional (!withGui) "d")) + "-" + version;
-  version = "0.16.1";
+  version = "0.16.2";
 
   src = fetchurl {
     urls = [ "https://bitcoincore.org/bin/bitcoin-core-${version}/bitcoin-${version}.tar.gz"
              "https://bitcoin.org/bin/bitcoin-core-${version}/bitcoin-${version}.tar.gz"
            ];
-    sha256 = "1zkqp93yircd3pbxczxfnibkpq0sgcv5r7wg6d196b9pwgr9zd39";
+    sha256 = "1n07qykx5hc0ph8fwn7hfrbsrjv19fdzvs5h0nysq4wfgn5wa40r";
   };
 
   nativeBuildInputs = [ pkgconfig autoreconfHook ];
diff --git a/pkgs/tools/networking/miniupnpc/default.nix b/pkgs/tools/networking/miniupnpc/default.nix
index fe3568c3a83f..902055e0d798 100644
--- a/pkgs/tools/networking/miniupnpc/default.nix
+++ b/pkgs/tools/networking/miniupnpc/default.nix
@@ -27,8 +27,8 @@ let
     };
 in {
   miniupnpc_2 = generic {
-    version = "2.0.20171212";
-    sha256 = "0za7pr6hrr3ajkifirhhxfn3hlhl06f622g8hnj5h8y18sp3bwff";
+    version = "2.0.20180203";
+    sha256 = "1dr0qaf2qz49aawgsnv7l41rda5yvdk3qfz2hd5cv9iwav3sipch";
   };
   miniupnpc_1 = generic {
     version = "1.9.20160209";