diff --git a/.dockerignore b/.dockerignore
index dae1cf69..6367ebf5 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,24 +1,30 @@
-Dockerfile
+/.git/
+/.github/
+/.travis.yml
+/CODEOWNERS
+/Dockerfile
+/LICENSE
+/*.md
 
 # 'bin' dir may be generated by the 'Task' installer
-bin
+/bin/
 
 # 'build' is where manual-build binaries end up
-build
+/build/
 
 # Resources for the 'build-docker-image' task of the 'build' job
-git
-image
-cache
+/git/
+/image/
+/cache/
 
 # Resources for the 'build-docker-image' task of the 'build-pr' job
-git-pull-requests
-image
-cache
+/git-pull-requests/
+/image/
+/cache/
 
 # Resources for the 'build-docker-image' task of the 'bump-deps' job
-repo-bumped
-golang-latest
-alpine-latest
-image
-cache
+/repo-bumped/
+/golang-latest/
+/alpine-latest/
+/image/
+/cache/