diff --git a/flake.lock b/flake.lock
index 9d5c2f8..2e1fe9c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1641205782,
-        "narHash": "sha256-4jY7RCWUoZ9cKD8co0/4tFARpWB+57+r1bLLvXNJliY=",
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "b7547d3eed6f32d06102ead8991ec52ab0a4f1a7",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
         "type": "github"
       },
       "original": {
@@ -18,26 +18,27 @@
     },
     "flake-utils": {
       "locked": {
-        "lastModified": 1642700792,
-        "narHash": "sha256-XqHrk7hFb+zBvRg6Ghl+AZDq03ov6OshJLiSWOoX5es=",
+        "lastModified": 1652776076,
+        "narHash": "sha256-gzTw/v1vj4dOVbpBSJX4J0DwUR6LIyXo7/SuuTJp1kM=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "846b2ae0fc4cc943637d3d1def4454213e203cba",
+        "rev": "04c1b180862888302ddfb2e3ad9eaa63afc60cf8",
         "type": "github"
       },
       "original": {
         "owner": "numtide",
+        "ref": "v1.0.0",
         "repo": "flake-utils",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1651804312,
-        "narHash": "sha256-DJxOGlxwQccuuwXUS0oRRkcNJbW5UP4fpsL5ga9ZwYw=",
+        "lastModified": 1652840887,
+        "narHash": "sha256-gEK4NNa4GwIgTZE63kt/4WTFAWRTJVSa30+h4ZjFh9U=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "d59dd43e49f24b58fe8d5ded38cbdf00c3da4dc2",
+        "rev": "52dc75a4fee3fdbcb792cb6fba009876b912bfe0",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 84b8d5f..d9c3b4f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "haskell-template's description";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
-    flake-utils.url = "github:numtide/flake-utils";
+    flake-utils.url = "github:numtide/flake-utils/v1.0.0";
     flake-utils.inputs.nixpkgs.follows = "nixpkgs";
     flake-compat.url = "github:edolstra/flake-compat";
     flake-compat.flake = false;