diff --git a/flake.lock b/flake.lock
index 48f62936f..d5a351f46 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "lastModified": 1692799911,
+        "narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
         "type": "github"
       },
       "original": {
@@ -25,11 +25,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1688870561,
-        "narHash": "sha256-4UYkifnPEw1nAzqqPOTL2MvWtm3sNGw1UTYTalkTcGY=",
+        "lastModified": 1690856737,
+        "narHash": "sha256-34M2FVqiKCwFUmA8/LnwxnQYiFZIL4QiNqQ1NRQX2gs=",
         "owner": "nix-community",
         "repo": "nix-github-actions",
-        "rev": "165b1650b753316aa7f1787f3005a8d2da0f5301",
+        "rev": "bfeb681177b5128d061ebbef7ded30bc21a3f135",
         "type": "github"
       },
       "original": {
@@ -40,16 +40,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1689192006,
-        "narHash": "sha256-QM0f0d8oPphOTYJebsHioR9+FzJcy1QNIzREyubB91U=",
+        "lastModified": 1693156971,
+        "narHash": "sha256-BE6BIXmVQyrOhkX4s/nP+/Xeipb1rRS1qLK/kpe7Pqk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2de8efefb6ce7f5e4e75bdf57376a96555986841",
+        "rev": "f900e733c1602b4c46064a9ef0514bb2345a8949",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixos-unstable-small",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 042714898..28ed2ed2c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Poetry2nix flake";
 
   inputs.flake-utils.url = "github:numtide/flake-utils";
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
 
   inputs.nix-github-actions.url = "github:nix-community/nix-github-actions";
   inputs.nix-github-actions.inputs.nixpkgs.follows = "nixpkgs";