diff --git a/Dockerfile b/Dockerfile
index 52525a3..a82dc40 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,7 +34,7 @@ RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
         mysql-client \
         nano \
         net-tools \
-        netcat \
+        netcat-openbsd \
         nginx-extras \
         postgresql \
         postgresql-client \
diff --git a/Makefile b/Makefile
index fad186b..3021df3 100644
--- a/Makefile
+++ b/Makefile
@@ -38,7 +38,7 @@ DOCKER_ARCH := $(COMPANY_NAME_LOW)-$(PRODUCT_NAME_LOW)_$(PACKAGE_VERSION).tar.gz
 .PHONY: all clean clean-docker deploy docker publish
 
 $(DOCKER_TARGETS): $(DEB_REPO_DATA)
-
+	docker pull ubuntu:20.04
 	docker build \
 		--build-arg REPO_URL=$(REPO_URL) \
 		--build-arg COMPANY_NAME=$(COMPANY_NAME_LOW) \