diff --git a/ci/elixir.yml b/ci/elixir.yml
index 7b3d5a4..1cad8fe 100644
--- a/ci/elixir.yml
+++ b/ci/elixir.yml
@@ -13,6 +13,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+    - name: Set up Elixir
+      uses: actions/setup-elixir@v1
+      with:
+        elixir-version: '1.10.3' # Define the elixir version [required]
+        otp-version: '22.3' # Define the OTP version [required]
     - name: Cache mix dependencies
       uses: actions/cache@v1
       with:
@@ -30,4 +35,4 @@ jobs:
     - name: Install dependencies
       run: mix deps.get
     - name: Run tests
-      run: mix test
\ No newline at end of file
+      run: mix test