diff --git a/README.org b/README.org
index 945e5a2..b127983 100644
--- a/README.org
+++ b/README.org
@@ -31,9 +31,10 @@ and IOHK's [[https://github.com/input-output-hk/haskell.nix][haskell.nix]].
       nix = {
         binaryCachePublicKeys = [
           "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
+          "iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo="
         ];
         binaryCaches = [
-          "https://hydra.iohk.io"
+          "https://cache.iog.io"
         ];
       };
    #+end_src