diff --git a/appveyor.yml b/appveyor.yml
index 976586b303..73d34ef0ec 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -78,6 +78,14 @@ build_script:
 - cmd: 7z a ./dist/bw-windows-%PACKAGE_VERSION%.zip ./dist/windows/bw.exe
 - cmd: 7z a ./dist/bw-macos-%PACKAGE_VERSION%.zip ./dist/macos/bw
 - cmd: 7z a ./dist/bw-linux-%PACKAGE_VERSION%.zip ./dist/linux/bw
+- ps: |
+    if($isWindows) {
+      Expand-Archive -Path "./dist/bw-windows-${env:PACKAGE_VERSION}.zip" -DestinationPath "./test/windows"
+      $testVersion = Invoke-Expression '& ./test/windows/bw.exe -v'
+      if($testVersion -ne $env:PACKAGE_VERSION) {
+        Throw "Version test failed."
+      }
+    }
 - ps: |
     if($isWindows) {
       .\scripts\choco-pack.ps1
diff --git a/jslib b/jslib
index fc1a73c9f2..50e6f24679 160000
--- a/jslib
+++ b/jslib
@@ -1 +1 @@
-Subproject commit fc1a73c9f2ef2c18f05dfebb5cf80ce84520d118
+Subproject commit 50e6f2467925a3e46ebaadddec88e985b1bfd4fb