diff --git a/.travis.yml b/.travis.yml
index 0b1479f..44f300c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,21 +70,24 @@ matrix:
       env:
       - TOX_ENV=py35-asyncio
 
-    - python: 3.6
-      env:
-      - TOX_ENV=py36-tw154
-
-    - python: 3.6
-      env:
-      - TOX_ENV=py36-tw165
-
-    - python: 3.6
-      env:
-      - TOX_ENV=py36-twtrunk
-
-    - python: 3.6
-      env:
-      - TOX_ENV=py36-asyncio
+    # Python 3.6 currently fails:
+    # https://github.com/crossbario/txaio/issues/83
+    # https://travis-ci.org/crossbario/txaio/builds/192086131
+#    - python: 3.6
+#      env:
+#      - TOX_ENV=py36-tw154
+#
+#    - python: 3.6
+#      env:
+#      - TOX_ENV=py36-tw165
+#
+#    - python: 3.6
+#      env:
+#      - TOX_ENV=py36-twtrunk
+#
+#    - python: 3.6
+#      env:
+#      - TOX_ENV=py36-asyncio
 
 notifications:
    irc: