diff --git a/tox.ini b/tox.ini
index 32cecacf8f1..6a9cc8ffb8f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ setenv = OS_TEST_PATH=./neutron/tests/api
 
 [testenv:functional]
 setenv = OS_TEST_PATH=./neutron/tests/functional
-         OS_TEST_TIMEOUT=90
+         OS_TEST_TIMEOUT=180
 deps =
   {[testenv]deps}
   -r{toxinidir}/neutron/tests/functional/requirements.txt
@@ -43,14 +43,14 @@ setenv = OS_TEST_PATH=./neutron/tests/functional
          OS_ROOTWRAP_CMD=sudo {envbindir}/neutron-rootwrap {envdir}/etc/neutron/rootwrap.conf
          OS_ROOTWRAP_DAEMON_CMD=sudo {envbindir}/neutron-rootwrap-daemon {envdir}/etc/neutron/rootwrap.conf
          OS_FAIL_ON_MISSING_DEPS=1
-         OS_TEST_TIMEOUT=90
+         OS_TEST_TIMEOUT=180
 sitepackages=True
 deps =
   {[testenv:functional]deps}
 
 [testenv:fullstack]
 setenv = OS_TEST_PATH=./neutron/tests/fullstack
-         OS_TEST_TIMEOUT=90
+         OS_TEST_TIMEOUT=180
 deps =
   {[testenv]deps}
   -r{toxinidir}/neutron/tests/functional/requirements.txt
@@ -61,7 +61,7 @@ setenv = OS_TEST_PATH=./neutron/tests/fullstack
          OS_ROOTWRAP_CMD=sudo {envbindir}/neutron-rootwrap {envdir}/etc/neutron/rootwrap.conf
          OS_ROOTWRAP_DAEMON_CMD=sudo {envbindir}/neutron-rootwrap-daemon {envdir}/etc/neutron/rootwrap.conf
          OS_FAIL_ON_MISSING_DEPS=1
-         OS_TEST_TIMEOUT=90
+         OS_TEST_TIMEOUT=180
 sitepackages=True
 deps =
   {[testenv:functional]deps}