diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 225d3369..b55570df 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -26,10 +26,13 @@ jobs:
     matrix:
       Python27:
         python.version: '2.7.15'
+        python.architecture: x64
       Python36:
         python.version: '3.6.8'
+        python.architecture: x64
       Python37:
         python.version: '3.7.2'
+        python.architecture: x64
     maxParallel: 4
   steps:
   - template: .azure-pipelines/steps/run-tests.yml
@@ -69,10 +72,13 @@ jobs:
     matrix:
       Python27:
         python.version: '2.7.15'
+        python.architecture: x64
       Python36:
         python.version: '3.6.8'
+        python.architecture: x64
       Python37:
         python.version: '3.7.2'
+        python.architecture: x64
     maxParallel: 4
   steps:
   - template: .azure-pipelines/steps/run-tests.yml