diff --git a/tools/generate_listeners_test.py b/tools/generate_listeners_test.py
index 1defb3f6..5e214c11 100644
--- a/tools/generate_listeners_test.py
+++ b/tools/generate_listeners_test.py
@@ -1,6 +1,10 @@
 """Tests for generate_listeners."""
 
 import os
+import sys
+
+# Workaround for https://github.com/bazelbuild/rules_python/issues/1221
+sys.path += [os.path.dirname(__file__)]
 
 import generate_listeners
 
diff --git a/tools/tap2pcap_test.py b/tools/tap2pcap_test.py
index c0151846..504b49aa 100644
--- a/tools/tap2pcap_test.py
+++ b/tools/tap2pcap_test.py
@@ -5,6 +5,9 @@ import os
 import subprocess as sp
 import sys
 
+# Workaround for https://github.com/bazelbuild/rules_python/issues/1221
+sys.path += [os.path.dirname(__file__)]
+
 import tap2pcap
 
 # Validate that the tapped trace when run through tap2cap | tshark matches