diff --git a/tox.ini b/tox.ini
index 20d55b632..82a685c50 100644
--- a/tox.ini
+++ b/tox.ini
@@ -288,7 +288,7 @@ whitelist_externals = openssl
 changedir = {[testenv:travis-test-farm-tests-base]changedir}
 commands =
     {[testenv:travis-test-farm-tests-base]commands}
-    python multitester.py apache2_targets.yaml travis-test-farm.pem none scripts/test_apache2.sh
+    python multitester.py apache2_targets.yaml travis-test-farm.pem none scripts/test_apache2.sh --fast
 deps = {[testenv:travis-test-farm-tests-base]deps}
 passenv = {[testenv:travis-test-farm-tests-base]passenv}
 setenv = {[testenv:travis-test-farm-tests-base]setenv}
@@ -298,7 +298,7 @@ whitelist_externals = {[testenv:travis-test-farm-tests-base]whitelist_externals}
 changedir = {[testenv:travis-test-farm-tests-base]changedir}
 commands =
     {[testenv:travis-test-farm-tests-base]commands}
-    python multitester.py targets.yaml travis-test-farm.pem none scripts/test_leauto_upgrades.sh
+    python multitester.py targets.yaml travis-test-farm.pem none scripts/test_leauto_upgrades.sh --fast
 deps = {[testenv:travis-test-farm-tests-base]deps}
 passenv = {[testenv:travis-test-farm-tests-base]passenv}
 setenv = {[testenv:travis-test-farm-tests-base]setenv}
@@ -308,7 +308,7 @@ whitelist_externals = {[testenv:travis-test-farm-tests-base]whitelist_externals}
 changedir = {[testenv:travis-test-farm-tests-base]changedir}
 commands =
     {[testenv:travis-test-farm-tests-base]commands}
-    python multitester.py targets.yaml travis-test-farm.pem none scripts/test_letsencrypt_auto_certonly_standalone.sh
+    python multitester.py targets.yaml travis-test-farm.pem none scripts/test_letsencrypt_auto_certonly_standalone.sh --fast
 deps = {[testenv:travis-test-farm-tests-base]deps}
 passenv = {[testenv:travis-test-farm-tests-base]passenv}
 setenv = {[testenv:travis-test-farm-tests-base]setenv}
@@ -318,7 +318,7 @@ whitelist_externals = {[testenv:travis-test-farm-tests-base]whitelist_externals}
 changedir = {[testenv:travis-test-farm-tests-base]changedir}
 commands =
     {[testenv:travis-test-farm-tests-base]commands}
-    python multitester.py targets.yaml travis-test-farm.pem none scripts/test_sdists.sh
+    python multitester.py targets.yaml travis-test-farm.pem none scripts/test_sdists.sh --fast
 deps = {[testenv:travis-test-farm-tests-base]deps}
 passenv = {[testenv:travis-test-farm-tests-base]passenv}
 setenv = {[testenv:travis-test-farm-tests-base]setenv}