diff --git a/VisualC/external/optional/x64/libwebp-7.dll b/VisualC/external/optional/x64/libwebp-7.dll
index 3e6d87e4..b67af84b 100755
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diff --git a/VisualC/external/optional/x64/libwebpdemux-2.dll b/VisualC/external/optional/x64/libwebpdemux-2.dll
index 24453b9e..537c079b 100755
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diff --git a/VisualC/external/optional/x86/libwebp-7.dll b/VisualC/external/optional/x86/libwebp-7.dll
index 3e15b1a1..19100b43 100755
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diff --git a/VisualC/external/optional/x86/libwebpdemux-2.dll b/VisualC/external/optional/x86/libwebpdemux-2.dll
index 3a37e455..7751c4d2 100755
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