diff --git a/nix/configurations/vanadium/home/dev.nix b/nix/configurations/vanadium/home/dev.nix
index 9a83b6d6..9225d8e2 100644
--- a/nix/configurations/vanadium/home/dev.nix
+++ b/nix/configurations/vanadium/home/dev.nix
@@ -112,15 +112,17 @@
 
   nix = {
     settings = {
-      # extra-substituters = [
-      #   "https://ghc-nix.cachix.org"
-      #   "https://haskell-language-server.cachix.org"
-      #   "https://helix.cachix.org"
-      # ];
+      extra-substituters = [
+        "https://ghc-nix.cachix.org"
+        "https://haskell-language-server.cachix.org"
+        "https://helix.cachix.org"
+        "https://cache.iog.io"
+      ];
       extra-trusted-public-keys = [
         "ghc-nix.cachix.org-1:ziC/I4BPqeA4VbtOFpFpu6D1t6ymFvRWke/lc2+qjcg="
         "haskell-language-server.cachix.org-1:juFfHrwkOxqIOZShtC4YC1uT1bBcq2RSvC7OMKx0Nz8="
         "helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs="
+        "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
       ];
     };
   };