diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9831d0e0e..3463335b9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,6 +49,7 @@ jobs:
           done
         ) &
     - run: nix --experimental-features 'nix-command flakes' flake check -L
+    - run: nix --experimental-features 'nix-command flakes' flake show --all-systems --json
 
   # Steps to test CI automation in your own fork.
   # Cachix:
diff --git a/flake.lock b/flake.lock
index 2ac413a69..b5d0b881c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -80,11 +80,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1721548954,
-        "narHash": "sha256-7cCC8+Tdq1+3OPyc3+gVo9dzUNkNIQfwSDJ2HSi2u3o=",
+        "lastModified": 1723688146,
+        "narHash": "sha256-sqLwJcHYeWLOeP/XoLwAtYjr01TISlkOfz+NG82pbdg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "63d37ccd2d178d54e7fb691d7ec76000740ea24a",
+        "rev": "c3d4ac725177c030b1e289015989da2ad9d56af0",
         "type": "github"
       },
       "original": {