6 files changed, 30 insertions, 10 deletions
diff --git a/pkgs/development/interpreters/erlang/R18.nix b/pkgs/development/interpreters/erlang/R18.nix
index e9d9366851e..c99596ea026 100644
--- a/pkgs/development/interpreters/erlang/R18.nix
+++ b/pkgs/development/interpreters/erlang/R18.nix
@@ -22,8 +22,8 @@ let
   };
 
 in mkDerivation {
-  version = "18.3.4.8";
-  sha256 = "16c0h25hh5yvkv436ks5jbd7qmxzb6ndvk64mr404347a20iib0g";
+  version = "18.3.4.11";
+  sha256 = "190xbv77v5x2g8xkzdg9bpwa1ylkc18d03ag2a0frcwcv76x53k1";
 
   patches = [
     rmAndPwdPatch
diff --git a/pkgs/development/interpreters/erlang/R19.nix b/pkgs/development/interpreters/erlang/R19.nix
index d5f3afe5f3d..65ac57413f6 100644
--- a/pkgs/development/interpreters/erlang/R19.nix
+++ b/pkgs/development/interpreters/erlang/R19.nix
@@ -1,8 +1,8 @@
 { mkDerivation, fetchpatch }:
 
 mkDerivation {
-  version = "19.3.6.11";
-  sha256 = "0b02iv8dly1vkc2xnqqi030sdj34h4gji2h4qgilllajr1f868vm";
+  version = "19.3.6.13";
+  sha256 = "1zbg54p7pdr8bjyrxvi7vs41vgamqa8lsynnm6ac6845q0xwpwid";
 
   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 3a33e55767b..dfa363c0f25 100644
--- a/pkgs/development/interpreters/erlang/R20.nix
+++ b/pkgs/development/interpreters/erlang/R20.nix
@@ -1,8 +1,8 @@
 { mkDerivation }:
 
 mkDerivation {
-  version = "20.3.8.9";
-  sha256 = "0v2iiyzss8hiih98wvj0gi2qzdmmhh7bvc9p025wlfm4k7r1109a";
+  version = "20.3.8.26";
+  sha256 = "062405s59hkdkmw2dryq0qc1k03jsncj7yqisgj35x9sqpzm4w7a";
 
   prePatch = ''
     substituteInPlace configure.in --replace '`sw_vers -productVersion`' "''${MACOSX_DEPLOYMENT_TARGET:-10.12}"
diff --git a/pkgs/development/interpreters/erlang/R21.nix b/pkgs/development/interpreters/erlang/R21.nix
index e1145090c86..f0291bcfd9f 100644
--- a/pkgs/development/interpreters/erlang/R21.nix
+++ b/pkgs/development/interpreters/erlang/R21.nix
@@ -1,6 +1,6 @@
 { mkDerivation }:
 
 mkDerivation {
-  version = "21.3.8.21";
-  sha256 = "sha256-zQCs2hOA66jxAaxl/B42EKCejAktIav2rpVQCNyKCh4=";
+  version = "21.3.8.22";
+  sha256 = "sha256-k6dChY/ogWqmcNz9P3t+p9C7oywXhR5oqdBfNtkh6I4=";
 }
diff --git a/pkgs/development/interpreters/erlang/R22.nix b/pkgs/development/interpreters/erlang/R22.nix
index 8bfe111f065..5be67081b11 100644
--- a/pkgs/development/interpreters/erlang/R22.nix
+++ b/pkgs/development/interpreters/erlang/R22.nix
@@ -3,6 +3,6 @@
 # How to obtain `sha256`:
 # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz
 mkDerivation {
-  version = "22.3.4.16";
-  sha256 = "sha256-V0RwEPfjnHtEzShNh6Q49yGC5fbt2mNR4xy6f6iWvck=";
+  version = "22.3.4.17";
+  sha256 = "sha256-YhKU9I4qN+TVG3t//t9htUBkOu8DS75vbn/qWvS1zc0=";
 }
diff --git a/pkgs/development/interpreters/erlang/generic-builder.nix b/pkgs/development/interpreters/erlang/generic-builder.nix
index 325d8e87e4a..c32a1b038e4 100644
--- a/pkgs/development/interpreters/erlang/generic-builder.nix
+++ b/pkgs/development/interpreters/erlang/generic-builder.nix
@@ -5,6 +5,8 @@
 , libGL ? null, libGLU ? null, wxGTK ? null, wxmac ? null, xorg ? null
 , parallelBuild ? false
 , systemd, wxSupport ? true
+# updateScript deps
+, writeScript, common-updater-scripts, coreutils, git
 }:
 { baseName ? "erlang"
 , version
@@ -103,6 +105,24 @@ in stdenv.mkDerivation ({
 
   setupHook = ./setup-hook.sh;
 
+  passthru = {
+    updateScript =
+      let major = builtins.head (builtins.splitVersion version);
+      in writeScript "update.sh" ''
+      #!${stdenv.shell}
+      set -ox errexit
+      PATH=${lib.makeBinPath [ common-updater-scripts coreutils git gnused ]}
+      latest=$(list-git-tags https://github.com/erlang/otp.git | sed -n 's/^OTP-${major}/${major}/p' | sort -V | tail -1)
+      if [ "$latest" != "${version}" ]; then
+        nixpkgs="$(git rev-parse --show-toplevel)"
+        nix_file="$nixpkgs/pkgs/development/interpreters/erlang/R${major}.nix"
+        update-source-version ${baseName}R${major} "$latest" --version-key=version --print-changes --file="$nix_file"
+      else
+        echo "${baseName}R${major} is already up-to-date"
+      fi
+    '';
+  };
+
   meta = with lib; ({
     homepage = "https://www.erlang.org/";
     downloadPage = "https://www.erlang.org/download.html";