diff --git a/.github/workflows/ci-elm.yml b/.github/workflows/ci-elm.yml
index ed24197..3b2407a 100644
--- a/.github/workflows/ci-elm.yml
+++ b/.github/workflows/ci-elm.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.8.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
+          node-version: '20.9.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
@@ -40,7 +40,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.8.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
+          node-version: '20.9.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
diff --git a/.github/workflows/ci-js.yml b/.github/workflows/ci-js.yml
index bfc4bf7..3e23496 100644
--- a/.github/workflows/ci-js.yml
+++ b/.github/workflows/ci-js.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.8.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
+          node-version: '20.9.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1
         with:
-          deno-version: '1.37.1' # selfup { "regex": "\\d[^']+", "script": "deno --version | head -n 1 | cut -d ' ' -f 2" }
+          deno-version: '1.37.2' # selfup { "regex": "\\d[^']+", "script": "deno --version | head -n 1 | cut -d ' ' -f 2" }
       - run: deno lint
   stylelint:
     timeout-minutes: 15
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.8.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
+          node-version: '20.9.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
diff --git a/.github/workflows/firebase-hosting-merge.yml b/.github/workflows/firebase-hosting-merge.yml
index ca8a5aa..030bacd 100644
--- a/.github/workflows/firebase-hosting-merge.yml
+++ b/.github/workflows/firebase-hosting-merge.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.8.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
+          node-version: '20.9.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index d79da8a..2088f86 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20.8.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
+          node-version: '20.9.0' # selfup { "regex": "\\d[^']+", "script": "node --version | tr -d v" }
           cache: npm
       - name: Install npm dependencies
         run: npm ci --ignore-scripts
diff --git a/flake.lock b/flake.lock
index 3cfbd17..0455f65 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1697723726,
-        "narHash": "sha256-SaTWPkI8a5xSHX/rrKzUe+/uVNy6zCGMXgoeMb7T9rg=",
+        "lastModified": 1698318101,
+        "narHash": "sha256-gUihHt3yPD7bVqg+k/UVHgngyaJ3DMEBchbymBMvK1E=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7c9cc5a6e5d38010801741ac830a3f8fd667a7a0",
+        "rev": "63678e9f3d3afecfeafa0acead6239cdb447574c",
         "type": "github"
       },
       "original": {