diff --git a/.drone/build-all.sh b/.drone/build-all.sh
index 7c25a30..6d82053 100755
--- a/.drone/build-all.sh
+++ b/.drone/build-all.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
 
 npm install typescript -g
+apk add --no-cache make
 make