diff --git a/flake.lock b/flake.lock
index f80a4d6..7a6ee24 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,6 +20,45 @@
         "type": "github"
       }
     },
+    "flake-parts_2": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1688466019,
+        "narHash": "sha256-VeM2akYrBYMsb4W/MmBo1zmaMfgbL4cH3Pu8PGyIwJ0=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "8e8d955c22df93dbe24f19ea04f47a74adbdc5ec",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-parts",
+        "type": "indirect"
+      }
+    },
+    "flake-parts_3": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "hercules-ci-effects",
+          "hercules-ci-agent",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1688466019,
+        "narHash": "sha256-VeM2akYrBYMsb4W/MmBo1zmaMfgbL4cH3Pu8PGyIwJ0=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "8e8d955c22df93dbe24f19ea04f47a74adbdc5ec",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "haskell-flake": {
       "locked": {
         "lastModified": 1675296942,
@@ -36,7 +75,98 @@
         "type": "github"
       }
     },
+    "haskell-flake_2": {
+      "locked": {
+        "lastModified": 1684780604,
+        "narHash": "sha256-2uMZsewmRn7rRtAnnQNw1lj0uZBMh4m6Cs/7dV5YF08=",
+        "owner": "srid",
+        "repo": "haskell-flake",
+        "rev": "74210fa80a49f1b6f67223debdbf1494596ff9f2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "srid",
+        "ref": "0.3.0",
+        "repo": "haskell-flake",
+        "type": "github"
+      }
+    },
+    "hercules-ci-agent": {
+      "inputs": {
+        "flake-parts": "flake-parts_3",
+        "haskell-flake": "haskell-flake_2",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1688568579,
+        "narHash": "sha256-ON0M56wtY/TIIGPkXDlJboAmuYwc73Hi8X9iJGtxOhM=",
+        "owner": "hercules-ci",
+        "repo": "hercules-ci-agent",
+        "rev": "367dd8cd649b57009a6502e878005a1e54ad78c5",
+        "type": "github"
+      },
+      "original": {
+        "id": "hercules-ci-agent",
+        "type": "indirect"
+      }
+    },
+    "hercules-ci-effects": {
+      "inputs": {
+        "flake-parts": "flake-parts_2",
+        "hercules-ci-agent": "hercules-ci-agent",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1689397210,
+        "narHash": "sha256-fVxZnqxMbsDkB4GzGAs/B41K0wt/e+B/fLxmTFF/S20=",
+        "owner": "hercules-ci",
+        "repo": "hercules-ci-effects",
+        "rev": "0a63bfa3f00a3775ea3a6722b247880f1ffe91ce",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "hercules-ci-effects",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1688322751,
+        "narHash": "sha256-eW62dC5f33oKZL7VWlomttbUnOTHrAbte9yNUNW8rbk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0fbe93c5a7cac99f90b60bdf5f149383daaa615f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1688049487,
+        "narHash": "sha256-100g4iaKC9MalDjUW9iN6Jl/OocTDtXdeAj7pEGIRh4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4bc72cae107788bf3f24f30db2e2f685c9298dc9",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1676300157,
         "narHash": "sha256-1HjRzfp6LOLfcj/HJHdVKWAkX9QRAouoh6AjzJiIerU=",
@@ -56,7 +186,8 @@
       "inputs": {
         "flake-parts": "flake-parts",
         "haskell-flake": "haskell-flake",
-        "nixpkgs": "nixpkgs"
+        "hercules-ci-effects": "hercules-ci-effects",
+        "nixpkgs": "nixpkgs_2"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index c623eb2..0fad924 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,12 +6,15 @@
     haskell-flake.url = "github:srid/haskell-flake/0.1.0";
     flake-parts.url = "github:hercules-ci/flake-parts";
     flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
+    hercules-ci-effects.url = "github:hercules-ci/hercules-ci-effects";
+    hercules-ci-effects.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = inputs@{ self, flake-parts, ... }:
     flake-parts.lib.mkFlake { inherit inputs; } ({ config, lib, extendModules, ... }: {
       imports = [
         inputs.haskell-flake.flakeModule
+        inputs.hercules-ci-effects.flakeModule
         inputs.flake-parts.flakeModules.easyOverlay
         ./docs/flake-module.nix
         ./tests/flake-module.nix
@@ -63,6 +66,23 @@
             ];
           });
         };
+
+      hercules-ci.flake-update = {
+        enable = true;
+        autoMergeMethod = "merge";
+        when = {
+          hour = [ 2 ];
+          dayOfMonth = [ 5 ];
+        };
+      };
+
+      herculesCI.ciSystems = [
+        # "aarch64-darwin"
+        # "aarch64-linux"
+        "x86_64-darwin"
+        "x86_64-linux"
+      ];
+
       flake = {
         debug = { inherit inputs config lib; };
 
@@ -79,12 +99,6 @@
             in composition.config.out.dockerComposeYaml;
         };
         nixosModules.arion = ./nixos-module.nix;
-        herculesCI.ciSystems = [
-          # "aarch64-darwin"
-          # "aarch64-linux"
-          "x86_64-darwin"
-          "x86_64-linux"
-        ];
       };
     });
 }