diff --git a/.gitignore b/.gitignore
index 305dc8ef..4391b9c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,3 +63,6 @@ benchmarks.db
 # Intellij IDE temp project files
 .project
 zipline.iml
+
+# PyCharm custom settings
+.idea