diff --git a/cpp/prebuilt/Win32/Release/webdriver-firefox-latest.dll b/cpp/prebuilt/Win32/Release/webdriver-firefox-latest.dll
index 2e5a9eb131f00..f0c6382b6dfb9 100644
Binary files a/cpp/prebuilt/Win32/Release/webdriver-firefox-latest.dll and b/cpp/prebuilt/Win32/Release/webdriver-firefox-latest.dll differ
diff --git a/cpp/prebuilt/Win32/Release/webdriver-firefox-previous.dll b/cpp/prebuilt/Win32/Release/webdriver-firefox-previous.dll
index 59ff08f71bfdd..8a950c0fa4280 100755
Binary files a/cpp/prebuilt/Win32/Release/webdriver-firefox-previous.dll and b/cpp/prebuilt/Win32/Release/webdriver-firefox-previous.dll differ