diff --git a/ci/azure-windows-36.yaml b/ci/azure-windows-36.yaml
index 656a6a31d92b4..d03a6cbbd662c 100644
--- a/ci/azure-windows-36.yaml
+++ b/ci/azure-windows-36.yaml
@@ -16,7 +16,7 @@ dependencies:
   - pyarrow
   - pytables
   - python-dateutil
-  - python=3.6.*
+  - python=3.6.6
   - pytz
   - scipy
   - thrift=0.10*