diff --git a/repo b/repo
index 743c28b3..77e80284 100755
--- a/repo
+++ b/repo
@@ -105,9 +105,7 @@ def check_python_version():
 
 
 if __name__ == '__main__':
-  # TODO(vapier): Enable this on Windows once we have Python 3 issues fixed.
-  if platform.system() != 'Windows':
-    check_python_version()
+  check_python_version()
 
 
 # repo default configuration
@@ -134,7 +132,7 @@ if not REPO_REV:
 # limitations under the License.
 
 # increment this whenever we make important changes to this script
-VERSION = (2, 3)
+VERSION = (2, 4)
 
 # increment this if the MAINTAINER_KEYS block is modified
 KEYRING_VERSION = (2, 3)