diff --git a/.travis.yml b/.travis.yml
index dbee7067..e948418c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,13 +14,13 @@ env:
   - TOX_ENV=py33-trollius
   - TOX_ENV=py34-twtrunk
   - TOX_ENV=py34-asyncio
-  - TOX_ENV=pypy-tw122
+  - TOX_ENV=pypy-tw121
   - TOX_ENV=pypy-tw132
   - TOX_ENV=pypy-twcurrent
-  - TOX_ENV=py26-tw122
+  - TOX_ENV=py26-tw121
   - TOX_ENV=py26-tw132
   - TOX_ENV=py26-twcurrent
-  - TOX_ENV=py27-tw122
+  - TOX_ENV=py27-tw121
   - TOX_ENV=py27-tw132
   - TOX_ENV=py27-twcurrent
 
diff --git a/tox.ini b/tox.ini
index ec5b2181..1f5b8d88 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist =
     flake8
     {pypy,py27,py33}-{twtrunk,trollius}
     {py34}-{twtrunk,asyncio}
-    {pypy,py26,py27}-{tw122,tw132,twcurrent}
+    {pypy,py26,py27}-{tw121,tw132,twcurrent}
 
 [testenv]
 deps =
@@ -14,7 +14,7 @@ deps =
 
     ; twisted dependencies
     twtrunk: https://github.com/twisted/twisted/archive/trunk.zip
-    tw122: Twisted==12.2
+    tw121: Twisted==12.1
     tw132: Twisted==13.2
     twcurrent: Twisted
 
@@ -27,12 +27,12 @@ commands =
     python -V
     coverage --version
     asyncio,trollius: coverage run {envbindir}/py.test autobahn
-    twtrunk,twcurrent,tw122,tw132,twcurrent: coverage run {envbindir}/trial autobahn
+    twtrunk,twcurrent,tw121,tw132,twcurrent: coverage run {envbindir}/trial autobahn
     coverage report
 whitelist_externals = sh
 setenv =
    asyncio,trollius: USE_ASYNCIO = 1
-   twtrunk,twcurrent,tw122,tw132,twcurrent: USE_TWISTED = 1
+   twtrunk,twcurrent,tw121,tw132,twcurrent: USE_TWISTED = 1
 
 
 [testenv:flake8]