diff --git a/.travis.yml b/.travis.yml
index f41e3177fc6..58ad2a632b1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,9 +5,6 @@ matrix:
     - os: linux
       sudo: required
       python: 2.7
-    - os: linux
-      sudo: required
-      python: 3.3
     - os: linux
       sudo: required
       python: 3.4
diff --git a/README.md b/README.md
index 06479d773cd..3db691c6a9a 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ Chat with us on  [quiltdata.com](https://quiltdata.com/).
 ## Supported Python versions
 * 2.7
 * ~~3.2~~
-* 3.3
+* ~~3.3~~
 * 3.4
 * 3.5
 * 3.6