diff --git a/Directory.Packages.props b/Directory.Packages.props
index 52dfbdc8b..c76c2a7e3 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -1,12 +1,12 @@
 <Project>
   <ItemGroup>
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageVersion Include="Microsoft.Extensions.FileSystemGlobbing" Version="10.0.3" />
-    <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.3" />
-    <PackageVersion Include="Microsoft.Extensions.Logging.Debug" Version="10.0.3" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageVersion Include="Microsoft.Extensions.FileSystemGlobbing" Version="10.0.5" />
+    <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.5" />
+    <PackageVersion Include="Microsoft.Extensions.Logging.Debug" Version="10.0.5" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageVersion Include="Microsoft.PowerShell.5.ReferenceAssemblies" Version="1.1.0" />
-    <PackageVersion Include="Microsoft.PowerShell.SDK" Version="7.4.13" />
+    <PackageVersion Include="Microsoft.PowerShell.SDK" Version="7.4.14" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageVersion Include="OmniSharp.Extensions.DebugAdapter.Client" Version="0.19.9" />
     <PackageVersion Include="OmniSharp.Extensions.DebugAdapter.Server" Version="0.19.9" />
@@ -29,7 +29,7 @@
     <PackageVersion Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />
     <PackageVersion Include="System.Security.Principal" Version="4.3.0" />
     <PackageVersion Include="System.Security.Principal.Windows" Version="5.0.0" />
-    <PackageVersion Include="System.ValueTuple" Version="4.6.1" />
+    <PackageVersion Include="System.ValueTuple" Version="4.6.2" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageVersion Include="Xunit.SkippableFact" Version="1.5.61" />
diff --git a/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj b/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj
index 6cd7ae849..6161a113e 100644
--- a/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj
+++ b/test/PowerShellEditorServices.Test/PowerShellEditorServices.Test.csproj
@@ -18,7 +18,7 @@
 
   <!-- PowerShell 7.4.x -->
   <ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' ">
-    <PackageReference Include="Microsoft.PowerShell.SDK" VersionOverride="7.4.7" />
+    <PackageReference Include="Microsoft.PowerShell.SDK" />
   </ItemGroup>
 
   <!-- Windows PowerShell 5.1 -->
diff --git a/test/emacs-test.el b/test/emacs-test.el
index 378c792fc..f085881c2 100644
--- a/test/emacs-test.el
+++ b/test/emacs-test.el
@@ -61,8 +61,12 @@
       (let ((lsp (eglot-current-server)))
         (should (string= (eglot--project-nickname lsp) "PowerShellEditorServices"))
         (should (member (cons 'powershell-mode "powershell") (eglot--languages lsp))))
-      (sleep-for 5) ; TODO: Wait for "textDocument/publishDiagnostics" instead
       (flymake-start)
+      ;; Wait for diagnostics to arrive instead of sleeping a fixed duration
+      (let ((deadline (time-add (current-time) 30)))
+        (while (and (time-less-p (current-time) deadline)
+                    (null (flymake-diagnostics)))
+          (sleep-for 0.5)))
       (goto-char (point-min))
       (flymake-goto-next-error)
       (should (eq 'flymake-warning (face-at-point))))))