diff --git a/.gitignore b/.gitignore
index eb5a2a3..410ec42 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,6 +21,7 @@ mailbox_core2.h
 plc_core1.h
 bb_cpu.txt
 sec_cpu.txt
+env_tmp.sh
 # ReadMe.txt
 build_commands.txt
 tools/bin_tool/bin2hex