diff --git a/Taskfile.yml b/Taskfile.yml
index 7799959..030e39a 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -14,22 +14,13 @@ tasks:
     desc: Run linter in a container
     deps:
       - protolint
-    cmd: |-
-      "{{.CONTAINER_TOOL}}" run --rm \
-      -v $PWD:/workspace:z \
-      --workdir /workspace \
-      docker.io/yoheimuta/protolint:latest lint \
-      $(find . -type f -iname "*.proto")
+    cmd: '"{{.PROTOLINT}}" lint  $(find . -type f -iname "*.proto")'
 
   gen-docs:
     desc: Generate docs in a container
     deps:
       - protodoc
-    cmd: |-
-      "{{.CONTAINER_TOOL}}" run --rm \
-      -v $PWD/proto:/protos \
-      -v $PWD:/out:z \
-      docker.io/pseudomuto/protoc-gen-doc:latest --doc_opt=markdown,README.md
+    cmd: '"{{.PROTODOC}}" --doc_opt=markdown,README.md'
 
   # Install required tools
   localbin: