diff --git a/.travis.yml b/.travis.yml
index 06bc075..2272430 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,16 +8,16 @@ python:
   - '3.7'
 
 env:
-#  - ENV_STRING=pandas0.24.1
-#  - ENV_STRING=pandas0.24.0
-#
-#  - ENV_STRING=pandas0.23.4
-#  - ENV_STRING=pandas0.23.3
-#  - ENV_STRING=pandas0.23.2
-#  - ENV_STRING=pandas0.23.1
-#  - ENV_STRING=pandas0.23.0
-#
-#  - ENV_STRING=pandas0.22.0
+  - ENV_STRING=pandas0.24.1
+  - ENV_STRING=pandas0.24.0
+
+  - ENV_STRING=pandas0.23.4
+  - ENV_STRING=pandas0.23.3
+  - ENV_STRING=pandas0.23.2
+  - ENV_STRING=pandas0.23.1
+  - ENV_STRING=pandas0.23.0
+
+  - ENV_STRING=pandas0.22.0
 
   - ENV_STRING=pandas0.21.1
   - ENV_STRING=pandas0.21.0
@@ -30,9 +30,9 @@ env:
   - ENV_STRING=pandas0.19.2
   - ENV_STRING=pandas0.19.1
   - ENV_STRING=pandas0.19.0
-#
+
   - ENV_STRING=pyspark2.4.0
-#  - ENV_STRING=pyspark2.3.1
+  - ENV_STRING=pyspark2.3.1
 
 
 # Remove python/pandas version interactions which do not have wheels on pypi