diff --git a/flake.lock b/flake.lock
index 640a042..f79b151 100644
--- a/flake.lock
+++ b/flake.lock
@@ -70,17 +70,17 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1649225869,
-        "narHash": "sha256-u1zLtPmQzhT9mNXyM8Ey9pk7orDrIKdwooeGDEXm5xM=",
+        "lastModified": 1649456639,
+        "narHash": "sha256-rZCjaEAZgOtT9kYTBigksof64SqKAXOuoHhlzHvfl0E=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b6966d911da89e5a7301aaef8b4f0a44c77e103c",
+        "rev": "c48167590e3258daac6ab12a41bc2b7341e9b2ec",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b6966d911da89e5a7301aaef8b4f0a44c77e103c",
+        "rev": "c48167590e3258daac6ab12a41bc2b7341e9b2ec",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index 321c19a..bafd9bc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,8 +1,8 @@
 {
   description = "haskell-template's description";
   inputs = {
-    # To find a suitable nixpkgs hash with cache, pick one from https://status.nixos.org/
-    nixpkgs.url = "github:nixos/nixpkgs/b6966d911da89e5a7301aaef8b4f0a44c77e103c";
+    # To find a suitable nixpkgs hash, pick one from https://status.nixos.org/ (these are cached)
+    nixpkgs.url = "github:nixos/nixpkgs/c48167590e3258daac6ab12a41bc2b7341e9b2ec";
     flake-utils.url = "github:numtide/flake-utils";
     flake-utils.inputs.nixpkgs.follows = "nixpkgs";
     flake-compat.url = "github:edolstra/flake-compat";