diff --git a/.drone.yml b/.drone.yml
index 72b49bc..2cfde79 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,7 +7,7 @@ steps:
   image: archlinux
   commands:
   - pacman -Sy --noconfirm
-  - pacman -S cmake make ninja clang --noconfirm
+  - pacman -S cmake make libffi ninja clang --noconfirm
   - mkdir build
   - cd build
   - cmake -G "Ninja" -D CMAKE_C_COMPILER=clang -D CMAKE_CXX_COMPILER=clang++ ..
@@ -19,7 +19,7 @@ steps:
   image: archlinux
   commands:
   - pacman -Sy --noconfirm
-  - pacman -S cmake make ninja clang --noconfirm
+  - pacman -S cmake make ninja libffi clang --noconfirm
   - mkdir build
   - cd build
   - cmake -G "Ninja" -D CMAKE_C_COMPILER=clang -D CMAKE_CXX_COMPILER=clang++ ..