diff --git a/.github/workflows/validate-nuget-publish.yml b/.github/workflows/validate-nuget-publish.yml
index f0fd6be..4894308 100644
--- a/.github/workflows/validate-nuget-publish.yml
+++ b/.github/workflows/validate-nuget-publish.yml
@@ -9,4 +9,4 @@ on:
 jobs:
   validate-nuget-publish:
     name: Validate NuGet Publish
-    uses: Lombiq/GitHub-Actions/.github/workflows/validate-nuget-publish.yml@issue/OSOE-925
+    uses: Lombiq/GitHub-Actions/.github/workflows/validate-nuget-publish.yml@issue/OSOE-1199
diff --git a/Lombiq.JsonEditor.sln b/Lombiq.JsonEditor.sln
deleted file mode 100644
index 4e458c4..0000000
--- a/Lombiq.JsonEditor.sln
+++ /dev/null
@@ -1,31 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.6.33815.320
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lombiq.JsonEditor", "Lombiq.JsonEditor\Lombiq.JsonEditor.csproj", "{3EA5BC81-97A5-4513-9CAC-4DB01B439682}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lombiq.JsonEditor.Tests.UI", "Lombiq.JsonEditor.Test.UI\Lombiq.JsonEditor.Tests.UI.csproj", "{19F9AEDF-9D1A-44EC-BAEA-FF050CF7A684}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{3EA5BC81-97A5-4513-9CAC-4DB01B439682}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{3EA5BC81-97A5-4513-9CAC-4DB01B439682}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{3EA5BC81-97A5-4513-9CAC-4DB01B439682}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{3EA5BC81-97A5-4513-9CAC-4DB01B439682}.Release|Any CPU.Build.0 = Release|Any CPU
-		{19F9AEDF-9D1A-44EC-BAEA-FF050CF7A684}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{19F9AEDF-9D1A-44EC-BAEA-FF050CF7A684}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{19F9AEDF-9D1A-44EC-BAEA-FF050CF7A684}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{19F9AEDF-9D1A-44EC-BAEA-FF050CF7A684}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {67F3FCAA-D525-42C7-9743-B8D896F485BA}
-	EndGlobalSection
-EndGlobal
diff --git a/Lombiq.JsonEditor.slnx b/Lombiq.JsonEditor.slnx
new file mode 100644
index 0000000..e4f2893
--- /dev/null
+++ b/Lombiq.JsonEditor.slnx
@@ -0,0 +1,4 @@
+<Solution>
+  <Project Path="Lombiq.JsonEditor.Test.UI/Lombiq.JsonEditor.Tests.UI.csproj" />
+  <Project Path="Lombiq.JsonEditor/Lombiq.JsonEditor.csproj" />
+</Solution>