diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index c6920b2..4cbf9e8 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -16,7 +16,7 @@ jobs:
               uses: actions/checkout@v3
 
             - name: Install the Nix package manager
-              uses: cachix/install-nix-action@v19
+              uses: cachix/install-nix-action@v20
 
             - name: Checks
               run: nix run nixpkgs#nodePackages.prettier -- --check .
diff --git a/composer.json b/composer.json
index eff7e69..4777a31 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         "ext-json": "*",
         "ext-libxml": "*",
         "ext-simplexml": "*",
-        "ecphp/cas-lib": "^2.0",
+        "ecphp/cas-lib": "^3.0",
         "laravel/framework": "^9 || ^10"
     },
     "require-dev": {