diff --git a/pkgs/development/interpreters/erlang/R23.nix b/pkgs/development/interpreters/erlang/R23.nix
index 53d1b49c375..23a68b7ee85 100644
--- a/pkgs/development/interpreters/erlang/R23.nix
+++ b/pkgs/development/interpreters/erlang/R23.nix
@@ -3,8 +3,8 @@
 # How to obtain `sha256`:
 # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz
 mkDerivation {
-  version = "23.1.4";
-  sha256 = "16ssxmrgjgvzg06aa1l4wz9rrdjfy39k22amgabxwb5if1g8bg8z";
+  version = "23.2.6";
+  sha256 = "sha256-G930sNbr8h5ryI/IE+J6OKhR5ij68ZhGo1YIEjSOwGU=";
 
   prePatch = ''
     substituteInPlace make/configure.in --replace '`sw_vers -productVersion`' "''${MACOSX_DEPLOYMENT_TARGET:-10.12}"