diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f75b748..e0cfc83 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,6 +12,7 @@ permissions:
   contents: read
   pages: write
   id-token: write
+  packages: read
 
 # Allow one concurrent deployment
 concurrency:
@@ -38,6 +39,9 @@ jobs:
         with:
           version: latest
 
+      - name: Authenticate GitHub Packages
+        run: echo "//npm.pkg.github.com/:_authToken=${{ secrets.GITHUB_TOKEN }}" >> .npmrc
+
       - name: Setup pnpm
         run: pnpm install
 
diff --git a/package.json b/package.json
index 1d9d4e5..9542bd7 100644
--- a/package.json
+++ b/package.json
@@ -19,8 +19,6 @@
 		"@types/gapi": "^0.0.44",
 		"@types/gapi.calendar": "^3.0.6",
 		"autoprefixer": "^10.4.15",
-		"date-fns": "^2.30.0",
-		"idb": "^7.1.1",
 		"postcss": "^8.4.29",
 		"postcss-load-config": "^4.0.1",
 		"prettier": "^3.0.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 27a0010..efa29d4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -26,12 +26,6 @@ devDependencies:
   autoprefixer:
     specifier: ^10.4.15
     version: 10.4.15(postcss@8.4.29)
-  date-fns:
-    specifier: ^2.30.0
-    version: 2.30.0
-  idb:
-    specifier: ^7.1.1
-    version: 7.1.1
   postcss:
     specifier: ^8.4.29
     version: 8.4.29
@@ -84,13 +78,6 @@ packages:
       '@jridgewell/trace-mapping': 0.3.19
     dev: true
 
-  /@babel/runtime@7.22.11:
-    resolution: {integrity: sha512-ee7jVNlWN09+KftVOu9n7S8gQzD/Z6hN/I8VBRXW4P1+Xe7kJGXMwu8vds4aGIMHZnNbdpSWCfZZtinytpcAvA==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      regenerator-runtime: 0.14.0
-    dev: true
-
   /@bkalendar/core@23.1.0:
     resolution: {integrity: sha512-NIOAGPOfoh6LBvHpAaZV/XVukyXsj2UfRAa809QHl9ktY7nApOunMYDiohnZrIz9gJ2YJ8Um8KfYuwafkiL/wg==, tarball: https://npm.pkg.github.com/download/@bkalendar/core/23.1.0/196fa8cdb4d247a2fcee70e0328acb505b85e072}
     dev: true
@@ -608,13 +595,6 @@ packages:
     hasBin: true
     dev: true
 
-  /date-fns@2.30.0:
-    resolution: {integrity: sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==}
-    engines: {node: '>=0.11'}
-    dependencies:
-      '@babel/runtime': 7.22.11
-    dev: true
-
   /debug@4.3.4:
     resolution: {integrity: sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==}
     engines: {node: '>=6.0'}
@@ -806,10 +786,6 @@ packages:
       function-bind: 1.1.1
     dev: true
 
-  /idb@7.1.1:
-    resolution: {integrity: sha512-gchesWBzyvGHRO9W8tzUWFDycow5gwjvFKfyV9FF32Y7F50yZMp7mP+T2mJIWFx49zicqyC4uefHM17o6xKIVQ==}
-    dev: true
-
   /import-fresh@3.3.0:
     resolution: {integrity: sha512-veYYhQa+D1QBKznvhUHxb8faxlrwUnxseDAbAp457E0wLNio2bOSKnjYDhMj+YiAq61xrMGhQk9iXVk5FzgQMw==}
     engines: {node: '>=6'}
@@ -1207,10 +1183,6 @@ packages:
       picomatch: 2.3.1
     dev: true
 
-  /regenerator-runtime@0.14.0:
-    resolution: {integrity: sha512-srw17NI0TUWHuGa5CFGGmhfNIeja30WMBfbslPNhf6JrqQlLN5gcrvig1oqPxiVaXb0oW0XRKtH6Nngs5lKCIA==}
-    dev: true
-
   /resolve-from@4.0.0:
     resolution: {integrity: sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==}
     engines: {node: '>=4'}