diff --git a/profiles/iog.nix b/profiles/iog.nix
index 009b4a3..5534a83 100644
--- a/profiles/iog.nix
+++ b/profiles/iog.nix
@@ -22,7 +22,7 @@ in {
       trusted-public-keys = [
         "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
         "erc20.cachix.org-1:SSf1RXfccF4/rwiwgBrbV7n8EBn0xciuU/TMdtor8LE="
-        "cache.iog.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
+        "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
         "iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo="
         "vit-testnet-0:0lvkEoYh+XrBh7pr4bXjsUisUkUxsyLvvWBIJwym/RM="
       ];