diff --git a/.drone.yml b/.drone.yml
index 15b11b6..3c23bce 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -67,6 +67,7 @@ steps:
         from_secret: IMAGE_DIGEST  # Optional – oder aus export-env
     commands:
       - echo "=== 🔏 Installing Cosign v3.0.2 ==="
+      - . build.env
       - apk add --no-cache curl ca-certificates
       - curl -sSL -o /usr/local/bin/cosign https://github.com/sigstore/cosign/releases/download/v3.0.2/cosign-linux-amd64
       - chmod +x /usr/local/bin/cosign