diff --git a/.gitignore b/.gitignore
index 1e7f24db..26ba6eed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+/env/
 /build/
 .Xil
 # Ignore database directories _except_ for their settings
diff --git a/Makefile b/Makefile
index 2028b5d9..bd6f054c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,11 @@
 CLANG_FORMAT ?= clang-format
 
-.PHONY: database format clean
+.PHONY: database format clean env
+
+env:
+	virtualenv --python=python3 env
+	. env/bin/activate; pip install -r requirements.txt
+	ln -sf $(PWD)/prjxray env/lib/python3.*/site-packages/
 
 build:
 	git submodule update --init --recursive