diff --git a/.travis.yml b/.travis.yml
index d97d038..cbcf2f6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,18 +7,16 @@ matrix:
         - python: 2.7
           env: ALPHATWIRL=master ROOT=6.04 PANDAS=0.22
         - python: 2.7
-          env: ALPHATWIRL=v0.18.5 ROOT=6.04 PANDAS=0.22
+          env: ALPHATWIRL=v0.20.0 ROOT=6.04 PANDAS=0.22
         - python: 3.6
           env: ALPHATWIRL=master ROOT=6.05 PANDAS=0.22
         - python: 3.6
-          env: ALPHATWIRL=v0.19.0 ROOT=6.05 PANDAS=0.22
-        - python: 3.6
-          env: ALPHATWIRL=v0.18.5 ROOT=6.05 PANDAS=0.22
+          env: ALPHATWIRL=v0.20.0 ROOT=6.05 PANDAS=0.22
     allow_failures:
         - python: 2.7
           env: ALPHATWIRL=master ROOT=6.04 PANDAS=0.22
         - python: 2.7
-          env: ALPHATWIRL=v0.18.5 ROOT=6.04 PANDAS=0.22
+          env: ALPHATWIRL=v0.20.0 ROOT=6.04 PANDAS=0.22
 
 install:
   - if [ "${TRAVIS_OS_NAME}" == "osx" ]; then curl --silent http://repo.continuum.io/miniconda/Miniconda-latest-MacOSX-x86_64.sh -o miniconda.sh; fi
diff --git a/setup.py b/setup.py
index 495a578..6a4c156 100644
--- a/setup.py
+++ b/setup.py
@@ -17,5 +17,5 @@
         'Programming Language :: Python :: 3.6',
     ],
     packages=find_packages(exclude=['docs', 'tests']),
-    install_requires=['alphatwirl>=0.18.5'],
+    install_requires=['alphatwirl>=0.20.0'],
 )