diff --git a/pkgs/development/interpreters/elixir/1.5.nix b/pkgs/development/interpreters/elixir/1.5.nix
index d9e2e9c16c6..add21c15a2d 100644
--- a/pkgs/development/interpreters/elixir/1.5.nix
+++ b/pkgs/development/interpreters/elixir/1.5.nix
@@ -1,7 +1,7 @@
 { mkDerivation }:
 
 mkDerivation rec {
-  version = "1.5.0-rc.0";
-  sha256 = "1p0sawz86w9na56c42ivdacqxzldjb9s9cvl2isj3sy4nwsa0l0j";
+  version = "1.5.0-rc.1";
+  sha256 = "1aqbhyzwjqg57f99kwqzxkk4gjaqgwb7nmgpgdp7psa0ly742i9q";
   minimumOTPVersion = "18";
 }