diff --git a/cpp/prebuilt/Win32/Release/webdriver-firefox-latest.dll b/cpp/prebuilt/Win32/Release/webdriver-firefox-latest.dll
index 90076efa84b91..59ff08f71bfdd 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 34b0895e430d5..9f2a174d98dfe 100755
Binary files a/cpp/prebuilt/Win32/Release/webdriver-firefox-previous.dll and b/cpp/prebuilt/Win32/Release/webdriver-firefox-previous.dll differ