diff --git a/.drone.yml b/.drone.yml
index 84da7ef..b31a7f9 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,6 +6,7 @@ steps:
     image: koalaman/shellcheck-alpine:v0.7.1
     commands:
       - shellcheck abra
+      - shellcheck bin/*.sh
 
   - name: run unit tests
     image: decentral1se/docker-dind-bats-kcov
diff --git a/makefile b/makefile
index a26a6a9..77cb0ca 100644
--- a/makefile
+++ b/makefile
@@ -21,7 +21,8 @@ shellcheck:
 		--rm \
 		-v $$(pwd):/workdir \
 		koalaman/shellcheck-alpine \
-		shellcheck /workdir/abra
+		shellcheck /workdir/abra && \
+		shellsheck /workdir/bin/*.sh
 
 docopt:
 	@if [ ! -d ".venv" ]; then \