diff --git a/.github/workflows/nix-check.yaml b/.github/workflows/nix-check.yaml
new file mode 100644
index 00000000..5f84bd38
--- /dev/null
+++ b/.github/workflows/nix-check.yaml
@@ -0,0 +1,19 @@
+name: nix check
+
+on:
+  push:
+
+jobs:
+  nix-develop:
+    name: nix develop
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: DeterminateSystems/nix-installer-action@v6
+
+      - uses: DeterminateSystems/magic-nix-cache-action@v2
+
+      - name: nix develop --command true
+        run: |
+          nix develop --print-build-logs --command true
diff --git a/flake.lock b/flake.lock
index 525f7930..c4d6092d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "advisory-db": {
       "flake": false,
       "locked": {
-        "lastModified": 1695296241,
-        "narHash": "sha256-t3SBLTqXyMlloAC0qSTHRAlWweiww6rmp0gSotDy1yo=",
+        "lastModified": 1697318478,
+        "narHash": "sha256-ZEDgHfurZiv9lBGTmHnQ0YECoi6H2NYs3pTo1VU1koQ=",
         "owner": "rustsec",
         "repo": "advisory-db",
-        "rev": "81594d9fd5b32c3eaa199812475498b47fc98742",
+        "rev": "71d80e811f2e29a4b82d3e545ad6591e35227e03",
         "type": "github"
       },
       "original": {
@@ -30,11 +30,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1695359325,
-        "narHash": "sha256-HZOraC0Cs2vNhygxRoo76NFeBXh7oZY1ZbGMzOMI68Y=",
+        "lastModified": 1697596235,
+        "narHash": "sha256-4VTrrTdoA1u1wyf15krZCFl3c29YLesSNioYEgfb2FY=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "9dae37b4a545f05aa70a2f048428c5196690c5a4",
+        "rev": "c97a0c0d83bfdf01c29113c5592a3defc27cb315",
         "type": "github"
       },
       "original": {
@@ -46,11 +46,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "lastModified": 1696267196,
+        "narHash": "sha256-AAQ/2sD+0D18bb8hKuEEVpHUYD1GmO2Uh/taFamn6XQ=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "rev": "4f910c9827911b1ec2bf26b5a062cd09f8d89f85",
         "type": "github"
       },
       "original": {
@@ -79,11 +79,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1695145219,
-        "narHash": "sha256-Eoe9IHbvmo5wEDeJXKFOpKUwxYJIOxKUesounVccNYk=",
+        "lastModified": 1697456312,
+        "narHash": "sha256-roiSnrqb5r+ehnKCauPLugoU8S36KgmWraHgRqVYndo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5ba549eafcf3e33405e5f66decd1a72356632b96",
+        "rev": "ca012a02bf8327be9e488546faecae5e05d7d749",
         "type": "github"
       },
       "original": {
@@ -112,11 +112,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1695348673,
-        "narHash": "sha256-Rtg2h1edMTuNGo9UP0Ync9joT97TS3E1lddx8w8vr3s=",
+        "lastModified": 1697595136,
+        "narHash": "sha256-9honwiIeMbBKi7FzfEy89f1ShUiXz/gVxZSS048pKyc=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "9bfad7bee1816a5e171b96fff7c855d5037f902a",
+        "rev": "a2ccfb2134622b28668a274e403ba6f075ae1223",
         "type": "github"
       },
       "original": {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 4cb81fb1..1d8e1f05 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.72.1"
+channel = "1.73.0"
 profile = "default"  # see https://rust-lang.github.io/rustup/concepts/profiles.html
 components = ["rust-analyzer", "rust-src"]  # see https://rust-lang.github.io/rustup/concepts/components.html