diff --git a/.gitignore b/.gitignore
index 118a58bf4..8aa7c1f97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,9 @@ src/openmc
 # emacs backups
 *~
 
+# OpenMC statepoints
+*.binary
+
 # Documentation builds
 docs/build