diff --git a/Makefile b/Makefile
index cb8a27a..859965a 100644
--- a/Makefile
+++ b/Makefile
@@ -24,10 +24,10 @@ for line in sys.stdin:
 endef
 export PRINT_HELP_PYSCRIPT
 
-BROWSER := python -c "$$BROWSER_PYSCRIPT"
+BROWSER := python3 -c "$$BROWSER_PYSCRIPT"
 
 help:
-	@python -c "$$PRINT_HELP_PYSCRIPT" < $(MAKEFILE_LIST)
+	@python3 -c "$$PRINT_HELP_PYSCRIPT" < $(MAKEFILE_LIST)
 
 clean: clean-build clean-pyc clean-test ## remove all build, test, coverage and Python artifacts
 
@@ -77,9 +77,9 @@ release: dist ## package and upload a release
 	twine upload dist/*
 
 dist: clean ## builds source and wheel package
-	python setup.py sdist
-	python setup.py bdist_wheel
+	python3 setup.py sdist
+	python3 setup.py bdist_wheel
 	ls -l dist
 
 install: clean ## install the package to the active Python's site-packages
-	python setup.py install
+	python3 setup.py install
diff --git a/docs/conf.py b/docs/conf.py
index 549d7cd..b56f284 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # hcloud documentation build configuration file, created by
 # sphinx-quickstart on Fri Jun  9 13:47:02 2017.