diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py
index 107bd72cc6c3b..10744eaffd0d9 100644
--- a/test/functional/test_framework/util.py
+++ b/test/functional/test_framework/util.py
@@ -311,7 +311,7 @@ def random_bytes(n):
 # Don't assign rpc or p2p ports lower than this
 PORT_MIN = int(os.getenv('TEST_RUNNER_PORT_MIN', default=11000))
 # The number of ports to "reserve" for p2p and rpc, each
-PORT_RANGE = 5000
+PORT_RANGE = 10000
 
 
 class PortSeed: