diff --git a/.gitea/workflows/checks.yaml b/.gitea/workflows/checks.yaml
index 8ecdf87..efe2bde 100644
--- a/.gitea/workflows/checks.yaml
+++ b/.gitea/workflows/checks.yaml
@@ -21,6 +21,10 @@ jobs:
         with:
           elixir-version: "1.17.x"
           otp-version: "25.x"
+          rebar3-version: false
+          hexpm-mirrors: |
+            https://builds.hex.pm
+            https://cdn.jsdelivr.net/hex
 
       - name: Install dependencies
         run: mix deps.get