diff --git a/.gitignore b/.gitignore
index 0ccd7f664198bbf0abb49424c30ea6d9c0458d65..91c9b8ad7077886389599f22085774bb2f2d86e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 # Ignore IDE and backup files.
 *~
-.#*
\ No newline at end of file
+.#*
+
+# Ignore build artefacts.
+docs/_build/
\ No newline at end of file