diff --git a/pkgs/development/beam-modules/erlang-ls/default.nix b/pkgs/development/beam-modules/erlang-ls/default.nix
index cad68e6f302a..cec3336dcb4c 100644
--- a/pkgs/development/beam-modules/erlang-ls/default.nix
+++ b/pkgs/development/beam-modules/erlang-ls/default.nix
@@ -1,7 +1,7 @@
 { fetchFromGitHub, fetchgit, fetchHex, rebar3Relx, buildRebar3, rebar3-proper
 , stdenv, writeScript, lib }:
 let
-  version = "0.19.0";
+  version = "0.20.0";
   owner = "erlang-ls";
   repo = "erlang_ls";
   deps = import ./rebar-deps.nix {
@@ -19,7 +19,7 @@ rebar3Relx {
   inherit version;
   src = fetchFromGitHub {
     inherit owner repo;
-    sha256 = "sha256-WesGgLoVR435lNXnsCFYcUoKXDMuL7hWImDluori+dc=";
+    sha256 = "sha256-XBCauvPalIPjVOYlMfWC+5mKku28b/qqKhp9NgSkoyA=";
     rev = version;
   };
   releaseType = "escript";