diff --git a/.gitignore b/.gitignore
index c86fc2f..0507dcb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,4 +24,9 @@ ccpd_combined_5k5k_spe/
 output/
 CCPD_SPE/*/
 
-build/
\ No newline at end of file
+build/
+
+# CCPD raw data (keep on disk, never commit)
+CCPD/CCPD2019/
+CCPD/CCPD2020/
+CCPD/*.7z
\ No newline at end of file