diff --git a/pkgs/development/interpreters/erlang/R23.nix b/pkgs/development/interpreters/erlang/R23.nix
index 5334429fbbac3b..8fc7d8feac803a 100644
--- a/pkgs/development/interpreters/erlang/R23.nix
+++ b/pkgs/development/interpreters/erlang/R23.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 = "23.3.2";
-  sha256 = "eU3BmBJqrcg3FmkuAIfB3UoSNfQQfvGNyC2jBffwm/w=";
+  version = "23.3.4";
+  sha256 = "EKewwcK1Gr84mmFVxVmOLaPiFtsG3r/1ubGOUwM/EYY=";
 }