diff --git a/.drone.yml b/.drone.yml
index 328ba36..8a1461f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -42,8 +42,9 @@ steps:
       HEX_HOME: ./.hex-cache
       MIX_HOME: ./.hex-cache
     commands:
-      # Install hex package manager (uses cached .hex-cache if available)
+      # Install hex and rebar (uses cached .hex-cache if available)
       - mix local.hex --force
+      - mix local.rebar --force
       # Fetch dependencies
       - mix deps.get