diff --git a/.gitignore b/.gitignore
index e0dc91b..ea09a5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
+# data files
+*.json
+*.pcap
+.venv/
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]