diff --git a/.gitignore b/.gitignore
index 9949c8b6fcd8b26768b56289d4aee2d87130d4b7..43671307d1631566631f876f1aa1aa7afa97e872 100755
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 /*/build/
 */nbproject/private/*
 /nbproject/private/*
+/apidiff_output/
 
 /Core/release/
 /Core/src/org/sleuthkit/autopsy/coreutils/Version.properties