Fixing CI

Author: akoutmos

.github/workflows/master.yml

@@ -5,9 +5,9 @@ env:
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 jobs:
   static_analysis:
@@ -18,10 +18,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
       - name: Set up Elixir
-        uses: erlef/setup-elixir@v1
+        uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.13.4'
-          otp-version: '25.0.2'
+          elixir-version: "1.17"
+          otp-version: "27"
       - name: Restore dependencies cache
         uses: actions/cache@v2
         with:
@@ -45,10 +45,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
       - name: Set up Elixir
-        uses: erlef/setup-elixir@v1
+        uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.13.4'
-          otp-version: '25.0.2'
+          elixir-version: "1.17"
+          otp-version: "27"
       - name: Restore dependencies cache
         uses: actions/cache@v2
         with: