diff --git a/appveyor.yml b/appveyor.yml
index a12aa5a..6b7c7bd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,27 +9,27 @@ environment:
 
   matrix:
     - PYTHON: "C:\\Python35"
-      PYTHON_VERSION: "3.5.3"
+      PYTHON_VERSION: "3.5.7"
       PYTHON_ARCH: "32"
 
     - PYTHON: "C:\\Python35-x64"
-      PYTHON_VERSION: "3.5.3"
+      PYTHON_VERSION: "3.5.7
       PYTHON_ARCH: "64"
 
     - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.7"
+      PYTHON_VERSION: "3.6.8"
       PYTHON_ARCH: "32"
 
     - PYTHON: "C:\\Python36-x64"
-      PYTHON_VERSION: "3.6.7"
+      PYTHON_VERSION: "3.6.8"
       PYTHON_ARCH: "64"
 
     - PYTHON: "C:\\Python37"
-      PYTHON_VERSION: "3.7.1"
+      PYTHON_VERSION: "3.7.3"
       PYTHON_ARCH: "32"
 
     - PYTHON: "C:\\Python37-x64"
-      PYTHON_VERSION: "3.7.1"
+      PYTHON_VERSION: "3.7.3"
       PYTHON_ARCH: "64"
 
 build: false