diff --git a/features/caches/default.nix b/features/caches/default.nix
index 28194a2..108316a 100644
--- a/features/caches/default.nix
+++ b/features/caches/default.nix
@@ -1,6 +1,7 @@
 { pkgs, ... }: {
   imports = [
     ./iohk.nix
+    ./reflex.nix
     ./platonic.nix
     ./cm-idris2-pkgs.nix
   ];
diff --git a/features/caches/reflex.nix b/features/caches/reflex.nix
new file mode 100644
index 0000000..be64202
--- /dev/null
+++ b/features/caches/reflex.nix
@@ -0,0 +1,8 @@
+{ pkgs, ... }: {
+  nix.binaryCachePublicKeys = [
+    "ryantrinkle.com-1:JJiAKaRv9mWgpVAz8dwewnZe0AzzEAzPkagE9SP5NWI="
+  ];
+  nix.binaryCaches = [
+    "https://nixcache.reflex-frp.org"
+  ];
+}