diff --git a/src/Aspire.Cli/Projects/ProjectLocator.cs b/src/Aspire.Cli/Projects/ProjectLocator.cs
index 3f202ed818d..903a6aa446f 100644
--- a/src/Aspire.Cli/Projects/ProjectLocator.cs
+++ b/src/Aspire.Cli/Projects/ProjectLocator.cs
@@ -325,6 +325,7 @@ await Parallel.ForEachAsync(appHostFiles, parallelOptions, async (candidateFile,
                 throw new ProjectLocatorException(ErrorStrings.ProjectFileDoesntExist);
             }
 
+            var supportedProjectFileExtensions = new HashSet<string>(StringComparer.OrdinalIgnoreCase) { ".csproj", ".fsproj", ".vbproj" };
             // Handle explicit apphost.cs files
             if (projectFile.Name.Equals("apphost.cs", StringComparison.OrdinalIgnoreCase))
             {
@@ -345,8 +346,8 @@ await Parallel.ForEachAsync(appHostFiles, parallelOptions, async (candidateFile,
                     throw new ProjectLocatorException(ErrorStrings.ProjectFileDoesntExist);
                 }
             }
-            // Handle .csproj files
-            else if (projectFile.Extension.Equals(".csproj", StringComparison.OrdinalIgnoreCase))
+            // Handle .cs|fs|vbproj files
+            else if (supportedProjectFileExtensions.Contains(projectFile.Extension))
             {
                 logger.LogDebug("Using project file {ProjectFile}", projectFile.FullName);
                 return projectFile;
diff --git a/tests/Aspire.Cli.Tests/Projects/ProjectLocatorTests.cs b/tests/Aspire.Cli.Tests/Projects/ProjectLocatorTests.cs
index 99b120a63a6..d66feaf3255 100644
--- a/tests/Aspire.Cli.Tests/Projects/ProjectLocatorTests.cs
+++ b/tests/Aspire.Cli.Tests/Projects/ProjectLocatorTests.cs
@@ -244,12 +244,15 @@ public async Task UseOrFindAppHostProjectFileThrowsIfNoProjectWasFound()
         Assert.Equal("No project file found.", ex.Message);
     }
 
-    [Fact]
-    public async Task UseOrFindAppHostProjectFileReturnsExplicitProjectIfExistsAndProvided()
+    [Theory]
+    [InlineData(".csproj")]
+    [InlineData(".fsproj")]
+    [InlineData(".vbproj")]
+    public async Task UseOrFindAppHostProjectFileReturnsExplicitProjectIfExistsAndProvided(string projectFileExtension)
     {
         var logger = NullLogger<ProjectLocator>.Instance;
         using var workspace = TemporaryWorkspace.Create(outputHelper);
-        var projectFile = new FileInfo(Path.Combine(workspace.WorkspaceRoot.FullName, "AppHost.csproj"));
+        var projectFile = new FileInfo(Path.Combine(workspace.WorkspaceRoot.FullName, $"AppHost{projectFileExtension}"));
         await File.WriteAllTextAsync(projectFile.FullName, "Not a real project file.");
 
         var runner = new TestDotNetCliRunner();
@@ -1170,3 +1173,4 @@ public async Task FindExecutableProjectsAsync_FindsMultipleExecutableProjects()
         Assert.Contains(executableProjects, p => p.FullName == winExeFile.FullName);
     }
 }
+