diff --git a/Makefile b/Makefile
index 4be7f7aa..57bf5b2a 100644
--- a/Makefile
+++ b/Makefile
@@ -71,8 +71,7 @@ integration:  ## Run integration tests
 
 .PHONY: docs
 docs:  ## Build collection documentation
-	pip install -r docs.requirements
-	pip install -r docs/requirements.txt
+	pip install -r docs.requirements -r docs/requirements.txt
 	cd docs && ANSIBLE_COLLECTIONS_PATH=${PWD}/../../.. ./build.sh
 
 .PHONY: mypy
diff --git a/ci-infra/docker-image/build.sh b/ci-infra/docker-image/build.sh
index 8874ed9e..29b8fdbc 100755
--- a/ci-infra/docker-image/build.sh
+++ b/ci-infra/docker-image/build.sh
@@ -24,7 +24,7 @@ fi
 THIS_SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
 REPO_DIR="$(realpath "$THIS_SCRIPT_DIR/../.." )"
 
-cat "$REPO_DIR"/{docs,test,sanity,mypy}.requirements > all.requirements
+cat "$REPO_DIR"/{docs,test,sanity,mypy}.requirements "$REPO_DIR/docs/requirements.txt" > all.requirements
 # TODO but is ghrc.io feature available/enabled?
 # Or push to quay.io?
 docker build $DOCKER_BUILD_OPT -t "$DOCKER_REGISTRY_REPO:$DOCKER_IMAGE_TAG" .