diff --git a/.travis.yml b/.travis.yml
index 6a2ed48..3fc5ed2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,8 @@ cache:
 sudo: required
 services:
   - docker
+env:
+  - DOCKER_BUILD_FLAGS="--pull --no-cache"
 install:
   - make bootstrap
 script:
diff --git a/Makefile b/Makefile
index f49edbc..a74683d 100644
--- a/Makefile
+++ b/Makefile
@@ -65,7 +65,7 @@ build-with-container: check-docker
 docker-build: build-with-container build-image
 
 build-image:
-	docker build -t ${IMAGE} rootfs
+	docker build ${DOCKER_BUILD_FLAGS} -t ${IMAGE} rootfs
 	docker tag ${IMAGE} ${MUTABLE_IMAGE}
 
 clean: check-docker
diff --git a/versioning.mk b/versioning.mk
index 0385dd1..beb4ba1 100644
--- a/versioning.mk
+++ b/versioning.mk
@@ -20,4 +20,3 @@ docker-immutable-push:
 .PHONY: docker-mutable-push
 docker-mutable-push:
 	docker push ${MUTABLE_IMAGE}
-	
\ No newline at end of file