diff --git a/LinkDotNet.StringBuilder.sln b/LinkDotNet.StringBuilder.sln
deleted file mode 100644
index 8c31aa8..0000000
--- a/LinkDotNet.StringBuilder.sln
+++ /dev/null
@@ -1,53 +0,0 @@
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diff --git a/LinkDotNet.StringBuilder.slnx b/LinkDotNet.StringBuilder.slnx
new file mode 100644
index 0000000..9c05233
--- /dev/null
+++ b/LinkDotNet.StringBuilder.slnx
@@ -0,0 +1,21 @@
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+  <Folder Name="/.text/">
+    <File Path="CHANGELOG.md" />
+    <File Path="README.md" />
+  </Folder>
+  <Folder Name="/.workflows/">
+    <File Path=".github/dependabot.yml" />
+    <File Path=".github/workflows/codeql.yml" />
+    <File Path=".github/workflows/create-release.yml" />
+    <File Path=".github/workflows/docs.yml" />
+    <File Path=".github/workflows/dotnet.yml" />
+    <File Path=".github/workflows/update-release.yml" />
+  </Folder>
+  <Folder Name="/src/">
+    <Project Path="src/LinkDotNet.StringBuilder/LinkDotNet.StringBuilder.csproj" />
+  </Folder>
+  <Folder Name="/tests/">
+    <Project Path="tests/LinkDotNet.StringBuilder.Benchmarks/LinkDotNet.StringBuilder.Benchmarks.csproj" />
+    <Project Path="tests/LinkDotNet.StringBuilder.UnitTests/LinkDotNet.StringBuilder.UnitTests.csproj" />
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