diff --git a/modules/devos/cachix/default.nix b/modules/devos/cachix/default.nix
index d88a3f7..26ca2ca 100644
--- a/modules/devos/cachix/default.nix
+++ b/modules/devos/cachix/default.nix
@@ -7,5 +7,5 @@ let
 in
 {
   inherit imports;
-  nix.binaryCaches = [ "https://cache.nixos.org/" ];
+  nix.settings.substituters = [ "https://cache.nixos.org/" ];
 }
diff --git a/modules/devos/cachix/nix-community.nix b/modules/devos/cachix/nix-community.nix
index 7e4be28..3c957fc 100644
--- a/modules/devos/cachix/nix-community.nix
+++ b/modules/devos/cachix/nix-community.nix
@@ -1,9 +1,9 @@
 {
-  nix = {
-    binaryCaches = [
+  nix.settings = {
+    substituters = [
       "https://nix-community.cachix.org"
     ];
-    binaryCachePublicKeys = [
+    trusted-public-keys = [
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
     ];
   };
diff --git a/modules/devos/cachix/nrdxp.nix b/modules/devos/cachix/nrdxp.nix
index bb3b4a5..ddced9c 100644
--- a/modules/devos/cachix/nrdxp.nix
+++ b/modules/devos/cachix/nrdxp.nix
@@ -1,9 +1,9 @@
 {
-  nix = {
-    binaryCaches = [
+  nix.settings = {
+    substituters = [
       "https://nrdxp.cachix.org"
     ];
-    binaryCachePublicKeys = [
+    trusted-public-keys = [
       "nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4="
     ];
   };