diff --git a/.gitignore b/.gitignore
index a9bc1ab..4fe1f84 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,9 @@ secrets.properties
 /.idea/appInsightsSettings.xml
 /.idea/studiobot.xml
 
+# Python bytecode caches, e.g. from importing obu-firmware/test/host/check_replay.py.
+__pycache__/
+
 # ESP-IDF rewrites sdkconfig on every build and keeps the previous one here.
 # sdkconfig.defaults is the real, intentional configuration; these two are output.
 sdkconfig.old
@@ -38,6 +41,7 @@ sdkconfig.old
 # Third-party working copies kept beside the project, not part of it. The ASN.1
 # modules this project actually needs are vendored under asn1/ instead.
 /C-ITS-Parser/
+/vanetza/
 
 # Office lock files. Word/Excel create these beside a document while it is open
 # and remove them on close, so they are transient and machine-local.