diff --git a/debian/rules b/debian/rules
index 51a6150..e60d8cf 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,27 +1,28 @@
 #!/usr/bin/make -f
 
 export DH_VERBOSE = 1
 export SETUPTOOLS_DEB_LAYOUT = 1
 export DH_VIRTUALENV_INSTALL_ROOT = /usr/lib/python3/dist-packages
 export DH_VIRTUALENV_ARGUMENTS := --always-copy --python python3 --system-site-packages
 export DH_REQUIREMENTS_FILE := debian-requirements.txt
+export DH_UPGRADE_PIP := 21.2.4
 
 %:
 	dh $@ --buildsystem dh_virtualenv
 
 override_dh_python3:
 	dh_python3 --shebang=/usr/lib/python3/dist-packages/sylk-pushserver/bin/python3
 
 override_dh_clean:
 	dh_clean
 	rm -rf build dist MANIFEST
 
 override_dh_install:
 	dh_install
 	py3clean .
 
 override_dh_installsystemd:
 	dh_installsystemd -psylk-pushserver --name=sylk-pushserver --no-start
 
 override_dh_auto_test: