diff --git a/.drone.yml b/.drone.yml
index 25f4435..ce7ae3c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,7 +11,7 @@ steps:
     image: debian:bookworm-slim
     commands:
         - apt-get update
-        - apt-get -qy install clang-15 libsodium-dev libpgm-dev
+        - apt-get -qy install clang-15 libsodium-dev libpgm-dev cmake make build-essential
         - mkdir build
         - cd build; CC=clang-15 CXX=clang++-15 cmake ..
         - make -j 4