diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 29ef8b56..ab6e4137 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       - run: sudo apt-get install --yes erlang-dev
       - uses: actions/checkout@v2
-      - uses: actions/setup-elixir@v1
+      - uses: actions/setup-elixir@v1.5
         with:
           otp-version: ${{matrix.otp}}
           elixir-version: ${{matrix.elixir}}