diff --git a/pkgs/development/libraries/cpp-hocon/default.nix b/pkgs/development/libraries/cpp-hocon/default.nix
index 3c4fe70c19d4..90c27083d770 100644
--- a/pkgs/development/libraries/cpp-hocon/default.nix
+++ b/pkgs/development/libraries/cpp-hocon/default.nix
@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "cpp-hocon-${version}";
-  version = "0.1.2";
+  version = "0.1.4";
 
   src = fetchFromGitHub {
-    sha256 = "0v2mnak6fh13dkl25lfvw1la2dfjqrh3lq1d40r3a52m56vwflrg";
+    sha256 = "1abalk0sjfg4yfz148hdknsbnl2xwjb8li7lqc64d07ifxhcqr87";
     rev = version;
     repo = "cpp-hocon";
     owner = "puppetlabs";
diff --git a/pkgs/development/libraries/leatherman/default.nix b/pkgs/development/libraries/leatherman/default.nix
index bc62a04808ff..ea092a336375 100644
--- a/pkgs/development/libraries/leatherman/default.nix
+++ b/pkgs/development/libraries/leatherman/default.nix
@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "leatherman-${version}";
-  version = "0.9.0";
+  version = "0.10.1";
 
   src = fetchFromGitHub {
-    sha256 = "18nidasykbwdd9qzwc8pnzhczy6acr3rsxwvv2v3j5gq3nbsk2mc";
+    sha256 = "0kjk3xq7v6bqq35ymj9vr9xz5kpcka51ms6489pm48adyaf53hs7";
     rev = version;
     repo = "leatherman";
     owner = "puppetlabs";
diff --git a/pkgs/tools/system/facter/default.nix b/pkgs/tools/system/facter/default.nix
index 83936ca65a5e..677981b97ca5 100644
--- a/pkgs/tools/system/facter/default.nix
+++ b/pkgs/tools/system/facter/default.nix
@@ -1,11 +1,13 @@
-{ stdenv, fetchurl, boost, cmake, cpp-hocon, curl, leatherman, libyamlcpp, openssl, ruby, utillinux }:
+{ stdenv, fetchFromGitHub, boost, cmake, cpp-hocon, curl, leatherman, libyamlcpp, openssl, ruby, utillinux }:
 
 stdenv.mkDerivation rec {
   name = "facter-${version}";
-  version = "3.4.1";
-  src = fetchurl {
-    url = "https://downloads.puppetlabs.com/facter/${name}.tar.gz";
-    sha256 = "1vvvqni68l3hmnxi8jp0n2rwzxyh1vmgv6xa2954h94dfax6dmcj";
+  version = "3.5.1";
+  src = fetchFromGitHub {
+    sha256 = "1rhfww0knjh6bj3b0ykxgfgw6rg2bzibkdrisq3nhl3djfq7r1a8";
+    rev = version;
+    repo = "facter";
+    owner = "puppetlabs";
   };
 
   cmakeFlags = [ "-DFACTER_RUBY=${ruby}/lib/libruby.so" ];