diff --git a/flake.lock b/flake.lock
index e82efce9..3a3e659d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -65,16 +65,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1780143400,
-        "narHash": "sha256-jN9RJ4OeuLdCxZ1G0d4zqy0HuHnqODxxgN6pQoYfAH8=",
+        "lastModified": 1789553013,
+        "narHash": "sha256-W5dvgFOuVs24X3G5tUb8C2IHU7ICXNvyGPiWWFjfbuo=",
         "owner": "catppuccin",
         "repo": "nix",
-        "rev": "096f4670cf078d810a931fae59b57db4cc3fb4d3",
+        "rev": "89b3eacf59d6b5eefbc2d69c3a4eb5aaf66d63bc",
         "type": "github"
       },
       "original": {
         "owner": "catppuccin",
-        "ref": "v26.05",
+        "ref": "main",
         "repo": "nix",
         "type": "github"
       }
@@ -423,7 +423,9 @@
           "nixpkgs"
         ],
         "pre-commit": "pre-commit",
-        "rust-overlay": "rust-overlay"
+        "rust-overlay": [
+          "rust-overlay"
+        ]
       },
       "locked": {
         "lastModified": 1782141370,
@@ -931,22 +933,22 @@
         "pre-commit-hooks": "pre-commit-hooks",
         "preservation": "preservation",
         "pyclipsync": "pyclipsync",
+        "rust-overlay": "rust-overlay",
         "wallpapers": "wallpapers"
       }
     },
     "rust-overlay": {
       "inputs": {
         "nixpkgs": [
-          "lanzaboote",
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1782012058,
-        "narHash": "sha256-9mWUnReOUXfKjZuJAL/bAFH3LUyECTRtXgSNVjRw3UY=",
+        "lastModified": 1790062494,
+        "narHash": "sha256-Mds1vuoczq1fRm1rf+Iar8IKDBHNjOMo2JqqPWJUlng=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "8534567325bd8a8d2928e6afd81e0a87d19efd3c",
+        "rev": "b88764907c1b2de6c0e206d8d9d9634d91c81334",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 280b6c45..8a370778 100644
--- a/flake.nix
+++ b/flake.nix
@@ -85,14 +85,24 @@
     };
 
     # https://github.com/catppuccin/nix
+    # main carries the rust-overlay-style deprecation fix for its vscode
+    # package (nodejs -> nodejs-slim); v26.05 still emits the eval warning.
     catppuccin = {
-      url = "github:catppuccin/nix/v26.05";
+      url = "github:catppuccin/nix/main";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
     lanzaboote = {
       url = "github:nix-community/lanzaboote/v1.1.0";
       inputs.nixpkgs.follows = "nixpkgs";
+      inputs.rust-overlay.follows = "rust-overlay";
+    };
+
+    # lanzaboote's pinned rust-overlay still uses the deprecated
+    # `stdenv.isLinux`/`stdenv.isDarwin`; follow a newer revision.
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
 
     preservation = {
diff --git a/home/base/core/theme.nix b/home/base/core/theme.nix
index e0382caa..bc90dd8a 100644
--- a/home/base/core/theme.nix
+++ b/home/base/core/theme.nix
@@ -8,10 +8,8 @@
   catppuccin = {
     # The default `enable` value for all available programs.
     enable = true;
-    # nixpkgs renamed gemini-cli to antigravity-cli (which dropped catppuccin
-    # theme support); the v26.05 tag still references the old option name.
-    # Remove this line once the catppuccin input moves past the rename.
-    gemini-cli.enable = false;
+    # Enroll every supported port (catppuccin/nix >= main behaviour).
+    autoEnable = true;
     cache.enable = true;
     # one of "latte", "frappe", "macchiato", "mocha"
     flavor = "mocha";