From f967d2340334416fce239af5f3d0aae1a94c6f1c Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Wed, 21 Mar 2018 11:10:10 -0500
Subject: [PATCH] erlang R18-20: updates

---
 pkgs/development/interpreters/erlang/R18.nix | 4 ++--
 pkgs/development/interpreters/erlang/R19.nix | 4 ++--
 pkgs/development/interpreters/erlang/R20.nix | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/interpreters/erlang/R18.nix b/pkgs/development/interpreters/erlang/R18.nix
index 967940ca184f..ee524feb4c6c 100644
--- a/pkgs/development/interpreters/erlang/R18.nix
+++ b/pkgs/development/interpreters/erlang/R18.nix
@@ -12,8 +12,8 @@ let
   };
 
 in mkDerivation rec {
-  version = "18.3.4.7";
-  sha256 = "1l66vzbb1vidrmf6gr84l34kgrpb9k7z2170bac4c6aviah9r02l";
+  version = "18.3.4.8";
+  sha256 = "16c0h25hh5yvkv436ks5jbd7qmxzb6ndvk64mr404347a20iib0g";
 
   patches = [
     rmAndPwdPatch
diff --git a/pkgs/development/interpreters/erlang/R19.nix b/pkgs/development/interpreters/erlang/R19.nix
index aa8c941eb93b..d0ba1912e9a4 100644
--- a/pkgs/development/interpreters/erlang/R19.nix
+++ b/pkgs/development/interpreters/erlang/R19.nix
@@ -1,8 +1,8 @@
 { mkDerivation, fetchurl, fetchpatch }:
 
 mkDerivation rec {
-  version = "19.3.6.4";
-  sha256 = "1w0h3wj2h58m3jrfgw56xab2352na3i9ccrbpfs4420dn7igf071";
+  version = "19.3.6.6";
+  sha256 = "05l81gig0hmr951pjvwknc9x2qvpm95ph9z072hn4jqg13rzbgvg";
 
   patches = [
     # macOS 10.13 crypto fix from OTP-20.1.2
diff --git a/pkgs/development/interpreters/erlang/R20.nix b/pkgs/development/interpreters/erlang/R20.nix
index 8e955349f2d7..7757039a4a15 100644
--- a/pkgs/development/interpreters/erlang/R20.nix
+++ b/pkgs/development/interpreters/erlang/R20.nix
@@ -1,8 +1,8 @@
 { mkDerivation, fetchurl }:
 
 mkDerivation rec {
-  version = "20.2.2";
-  sha256 = "1cns1qcmmr00nyvcvcj4p4n2gvliyjynlwfqc7qzpkjjnkb7fzl6";
+  version = "20.3.1";
+  sha256 = "13qh3an98qm477zr1dvcklbhar001cikp177295llcqpchamgzx3";
 
   prePatch = ''
     substituteInPlace configure.in --replace '`sw_vers -productVersion`' '10.10'