diff --git a/pupy/.dockerignore b/pupy/.dockerignore
index 75ae8727..7bfe8a22 100644
--- a/pupy/.dockerignore
+++ b/pupy/.dockerignore
@@ -1,12 +1,13 @@
 Dockerfile
 .dockerignore
-*.git
-*.gitignore
-*.pyc
-*.pyo
-crypto
+**/.git
+**/.gitignore
+**/*.exp
+**/*.lib
+crypto/credentials.py
 data
 external/winpty
 external/scapy
-*/__pycache__*
-packages/src/*
+**/__pycache__*
+**/test?
+packages/src