diff --git a/.gitignore b/.gitignore
index ea3c53b10e428a9db3c11b57d6e56d8cc3ecf649..4c59cd3b6cf2396877e04fe210e0582d9181682c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,4 +15,7 @@ __pycache__/
 # Ignore test artefacts.
 .coverage
 coverage/
-.tox/
\ No newline at end of file
+.tox/
+
+# Ignore project temporary directory.
+tmp/
\ No newline at end of file