diff --git a/.travis.yml b/.travis.yml
index 96e3a0e1..038bab01 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ env:
   - PYTHON_VERSION=2.7
   #- PYTHON_VERSION=3.3
   #- PYTHON_VERSION=3.4
-  #- PYTHON_VERSION=3.5
+  - PYTHON_VERSION=3.5
   - PYTHON_VERSION=3.6
   - PYTHON_VERSION=3.7
 
diff --git a/appveyor.yml b/appveyor.yml
index b7fe35d7..6bc168db 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,8 +11,8 @@ environment:
       MINICONDA: C:\Miniconda35-x64
     - PYTHON_VERSION: 3.6
       MINICONDA: C:\Miniconda36-x64
-#    - PYTHON_VERSION: 3.7
-#      MINICONDA: C:\Miniconda36-x64
+    - PYTHON_VERSION: 3.7
+      MINICONDA: C:\Miniconda36-x64
 
 #configuration:
 #  - Debug