diff --git a/image-sources/liquescent-devcontainer/scripts/init-firewall.sh b/image-sources/liquescent-devcontainer/scripts/init-firewall.sh
index 7aaccac..f51dfcd 100644
--- a/image-sources/liquescent-devcontainer/scripts/init-firewall.sh
+++ b/image-sources/liquescent-devcontainer/scripts/init-firewall.sh
@@ -29,6 +29,10 @@ readonly BUILTIN_DOMAINS=(
     "sentry.io"
     "statsig.anthropic.com"
     "statsig.com"
+    # Python package repositories
+    "pypi.org"
+    "files.pythonhosted.org"
+    "pypi.python.org"
 )
 
 # 1Password configuration