diff --git a/tools/state.json b/tools/state.json
index 09af2d9..2a62271 100644
--- a/tools/state.json
+++ b/tools/state.json
@@ -1,5 +1,5 @@
 {
-  "nix_installer_action_revision": "4a754ab0c192f4d12cf88b5954b9dd13fd2d612e",
-  "determinate_nix_tag": "v3.20.0",
+  "nix_installer_action_revision": "00199f951aeb9404028a6e4b95ad42546f73296a",
+  "determinate_nix_tag": "v3.21.0",
   "checkout_action_tag": "v6.0.2"
 }