diff --git a/.drone.yml b/.drone.yml
index df800d4..fc49709 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,5 +5,5 @@ steps:
   image: gcc:latest
   commands:
   - apt-get update
-  - apt-get install libboost-all-dev
+  - apt-get install -y libboost-all-dev
   - make boosttest
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