diff --git a/Libplanet.Headless.Tests/Libplanet.Headless.Tests.csproj b/Libplanet.Headless.Tests/Libplanet.Headless.Tests.csproj
index 97f0f8180..147e2a46e 100644
--- a/Libplanet.Headless.Tests/Libplanet.Headless.Tests.csproj
+++ b/Libplanet.Headless.Tests/Libplanet.Headless.Tests.csproj
@@ -20,7 +20,7 @@
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diff --git a/NineChronicles.Headless.Executable.Tests/NineChronicles.Headless.Executable.Tests.csproj b/NineChronicles.Headless.Executable.Tests/NineChronicles.Headless.Executable.Tests.csproj
index f9af67302..5c81fce36 100644
--- a/NineChronicles.Headless.Executable.Tests/NineChronicles.Headless.Executable.Tests.csproj
+++ b/NineChronicles.Headless.Executable.Tests/NineChronicles.Headless.Executable.Tests.csproj
@@ -13,7 +13,7 @@
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