diff --git a/.gitignore b/.gitignore
index 7e3a1d4..8a40ba0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,6 @@ result
 
 # nix pre-commit autogenerated by devShell
 /.pre-commit-config.yaml
+
+# agy sessions
+.antigravitycli
diff --git a/flake.lock b/flake.lock
index 65ebad6..c3da934 100644
--- a/flake.lock
+++ b/flake.lock
@@ -204,11 +204,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1779507042,
-        "narHash": "sha256-7wOwi8B6D0BYsieZCnHZZj2sNUzgJhLoIVSfkwB7lxQ=",
+        "lastModified": 1779678629,
+        "narHash": "sha256-gHcIFg0mm+KFsg7iZQt67kni3+qR5U3PhEC9P7vKlZ4=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "509ed3c603349a9d43de9e2ae6613baea6bd5b34",
+        "rev": "612bbe3b405ad5f71d7bf9edecc04b678a061652",
         "type": "github"
       },
       "original": {
@@ -252,11 +252,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1779357205,
-        "narHash": "sha256-cCO8aTqss5x9Ky8GWkpY0Hy5fyTZEbtifSUV8QjSzic=",
+        "lastModified": 1779508470,
+        "narHash": "sha256-Ap9KJX+5xHIn3bPIpfNgT6MEXdAECECwo4/rmlQD74M=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f83fc3c307e74bc5fd5adb7eb6b8b13ffd2a36e1",
+        "rev": "29916453413845e54a65b8a1cf996842300cd299",
         "type": "github"
       },
       "original": {
@@ -266,6 +266,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-master": {
+      "locked": {
+        "lastModified": 1779694939,
+        "narHash": "sha256-Ly4j75O8ICaSQx3uxPnwk2x7PMF0XQvn5r0c3yBA7FI=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "f9d8b65950353691ab56561e7c73d2e1063d810b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "master",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "darwin": "darwin",
@@ -275,6 +291,7 @@
         "jail-nix": "jail-nix",
         "nix-homebrew": "nix-homebrew",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-master": "nixpkgs-master",
         "systems": "systems_2",
         "vscode-server": "vscode-server"
       }
diff --git a/flake.nix b/flake.nix
index 8ac4e48..9d191bb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs-master.url = "github:nixos/nixpkgs/master";
     systems.url = "github:nix-systems/default";
     home-manager = {
       url = "github:nix-community/home-manager";
@@ -32,6 +33,7 @@
     {
       self,
       nixpkgs,
+      nixpkgs-master,
       systems,
       home-manager,
       vscode-server,
@@ -40,6 +42,17 @@
     }@inputs:
     let
       eachSystem = nixpkgs.lib.genAttrs (import systems);
+      overlay-master = _: prev: {
+        inherit
+          (import nixpkgs-master {
+            system = prev.stdenv.hostPlatform.system;
+            config = {
+              allowUnfree = true;
+            };
+          })
+          antigravity-cli
+          ;
+      };
     in
     {
       checks = eachSystem (system: {
@@ -66,6 +79,7 @@
       homeConfigurations."artem@deimos" = home-manager.lib.homeManagerConfiguration {
         pkgs = import nixpkgs {
           system = "x86_64-linux";
+          overlays = [ overlay-master ];
         };
         extraSpecialArgs.primaryUser = "artem";
         modules = [
@@ -79,6 +93,7 @@
       homeConfigurations."artem@mars" = home-manager.lib.homeManagerConfiguration {
         pkgs = import nixpkgs {
           system = "x86_64-darwin";
+          overlays = [ overlay-master ];
         };
         extraSpecialArgs = {
           primaryUser = "artem";
@@ -102,6 +117,9 @@
           inputs.fw_nix.nixosModules.futureware
           inputs.nix-homebrew.darwinModules.nix-homebrew
           ./hosts/mars/darwin.nix
+          (_: {
+            nixpkgs.overlays = [ overlay-master ];
+          })
         ];
       };
 
@@ -121,6 +139,9 @@
           inputs.fw_nix.nixosModules.sshd
           inputs.fw_nix.nixosModules.futureware
           ./hosts/deimos/nixos.nix
+          (_: {
+            nixpkgs.overlays = [ overlay-master ];
+          })
         ];
       };
 
diff --git a/hosts/deimos/nixos.nix b/hosts/deimos/nixos.nix
index e1bfc0d..312e33a 100644
--- a/hosts/deimos/nixos.nix
+++ b/hosts/deimos/nixos.nix
@@ -31,8 +31,8 @@ in
     home-assistant-cli
     yt-dlp
 
-    # jailed-gemini --yolo
-    (jail "jailed-gemini" pkgs.gemini-cli (
+    # jailed-agy --yolo
+    (jail "jailed-agy" pkgs.antigravity-cli (
       with jail.combinators;
       [
         network
diff --git a/modules/home/common.nix b/modules/home/common.nix
index 47df5f8..9894d58 100644
--- a/modules/home/common.nix
+++ b/modules/home/common.nix
@@ -12,7 +12,7 @@
   home.packages = with pkgs; [
     stow
     wget
-    gemini-cli
+    antigravity-cli
     silver-searcher
     yubikey-manager
   ];