diff --git a/Lazy.Captcha.Core/Lazy.Captcha.Core.csproj b/Lazy.Captcha.Core/Lazy.Captcha.Core.csproj
index 8061e52aa89858614dc7017fd4e508700a1fc307..e1ee6349dc600dd3a6816eb288ad0197aedfc31b 100644
--- a/Lazy.Captcha.Core/Lazy.Captcha.Core.csproj
+++ b/Lazy.Captcha.Core/Lazy.Captcha.Core.csproj
@@ -53,15 +53,19 @@
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