diff --git a/hack/build/activate-env.sh b/hack/build/activate-env.sh
new file mode 100755
index 0000000..0eb8c04
--- /dev/null
+++ b/hack/build/activate-env.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+PREVIOUS_CWD="${PWD}"
+REAL_SCRIPT="$(realpath "${0}")"
+cd "$(dirname "${REAL_SCRIPT}")/../.." || return
+unset REAL_SCRIPT
+
+activate_env() {
+	if [ ! -d "venv" ]; then
+		python3 -m venv venv
+		pip install --upgrade pip
+	fi
+	. venv/bin/activate
+	pip3 install -qq -r requirements.txt
+}
+
+activate_env
+unset -f activate_env
+cd "${PREVIOUS_CWD}" || return
+unset PREVIOUS_CWD