diff --git a/.drone.yml b/.drone.yml
index 05d7d30..1a5e3ee 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -77,6 +77,8 @@ steps:
       TEST_POSTGRES_HOST: postgres
       TEST_POSTGRES_PORT: 5432
     commands:
+      # Install hex package manager
+      - mix local.hex --force
       # Run tests
       - mix test