diff --git a/.travis.yml b/.travis.yml
index 5121480..2846259 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,6 @@ env:
   matrix:
   - PKG=nodeinfo STABLE=1
   - PKG=hwi STABLE=1
-  - PKG=hwi STABLE=0
   - PKG=lightning-charge STABLE=1
   - PKG=lightning-charge STABLE=0
   - PKG=nanopos STABLE=1
diff --git a/pkgs/hwi/default.nix b/pkgs/hwi/default.nix
index 084de56..9377158 100644
--- a/pkgs/hwi/default.nix
+++ b/pkgs/hwi/default.nix
@@ -1,20 +1,20 @@
-{ stdenv, fetchurl, fetchFromGitHub, python35 }:
+{ stdenv, fetchurl, fetchFromGitHub, python3 }:
 
 with stdenv.lib;
-with python35.pkgs;
+with python3.pkgs;
 
 let
   buildInputs = [ mnemonic ecdsa typing-extensions hidapi libusb1 pyaes ];
 in
 buildPythonPackage rec {
   pname = "hwi";
-  version = "1.0.1";
+  version = "1.0.3";
 
   src = fetchFromGitHub {
     owner = "bitcoin-core";
     repo = "HWI";
     rev = version;
-    sha256 = "0m3p72r8ghzwwsmc7y0dzxn0wzaplqqq1q0cd327fnnljddp5b10";
+    sha256 = "1xb8w6w6j6vv2ik2bb25y2w6m0gikmh5446jar0frfp6r6das5nn";
   };
 
   # TODO: enable tests
diff --git a/pkgs/nixpkgs-pinned.nix b/pkgs/nixpkgs-pinned.nix
index 2b7a2c8..6bf9096 100644
--- a/pkgs/nixpkgs-pinned.nix
+++ b/pkgs/nixpkgs-pinned.nix
@@ -8,11 +8,11 @@ in
 {
   # To update, run ../helper/fetch-channel REV
   nixpkgs = fetch {
-    rev = "27a5ddcf747fb2bb81ea9c63f63f2eb3eec7a2ec";
-    sha256 = "1bp11q2marsqj3g2prdrghkhmv483ab5pi078d83xkhkk2jh3h81";
+    rev = "e6d584f6dd22b587d5cdf5019f5e7dd2be370f61";
+    sha256 = "0ysb2017n8g0bpkxy3lsnlf6mcya5gqwggmwdjxlfnj1ilj3lnqz";
   };
   nixpkgs-unstable = fetch {
-    rev = "4cd2cb43fb3a87f48c1e10bb65aee99d8f24cb9d";
-    sha256 = "1d6rmq67kdg5gmk94wx2774qw89nvbhy6g1f2lms3c9ph37hways";
+    rev = "41d921292e922a6cd1aba64259341c244d4c2cc7";
+    sha256 = "01iq7phnmyz78qddxsjy6lnpgmzcffxk9h7k69sy61dbjsyy9b4q";
   };
 }