diff --git a/.github/workflows/dotnet-core.yml b/.github/workflows/dotnet-core.yml
index 9c4265f..c26baeb 100644
--- a/.github/workflows/dotnet-core.yml
+++ b/.github/workflows/dotnet-core.yml
@@ -18,14 +18,16 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Setup .NET 8.0
-      uses: actions/setup-dotnet@v1
+    - name: Setup .NET 9.0
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.*
+        dotnet-version: 9.0.*
     - name: Install dependencies
       run: dotnet restore
     - name: Build
       run: dotnet build --configuration ${{ matrix.build-config }} --no-restore
     - name: Test
-      run: dotnet test --configuration ${{ matrix.build-config }} --no-restore --verbosity normal ./Test.AMT.Extensions.System/Test.AMT.Extensions.System.csproj
+      run: |
+        dotnet test --configuration ${{ matrix.build-config }} --no-restore --verbosity normal ./Test.AMT.Extensions.System/Test.AMT.Extensions.System.csproj
+        dotnet test --configuration ${{ matrix.build-config }} --no-restore --verbosity normal ./Test.AMT.Extensions.Linq/Test.AMT.Extensions.Linq.csproj
     # NOTE: does not test /Test.AMT.Extensions.Logging at GitHub b/c fails w/IP port comms.
diff --git a/Test.AMT.Extensions.Linq/IntListRandomizerTests.cs b/Test.AMT.Extensions.Linq/IntListRandomizerTests.cs
index 3079440..87a2a47 100644
--- a/Test.AMT.Extensions.Linq/IntListRandomizerTests.cs
+++ b/Test.AMT.Extensions.Linq/IntListRandomizerTests.cs
@@ -32,11 +32,11 @@ public void random_element_from_int_list()
 			{
 				// Test via the method taking ICollection
 				int curr = _testData.TestList.Random();
-				curr.Should().BeGreaterOrEqualTo(IntListTestFixture.MinTestValue);
+				curr.Should().BeGreaterThanOrEqualTo(IntListTestFixture.MinTestValue);
 
 				// Test via the method taking IEnumerable
 				curr = enr.Random();
-				curr.Should().BeGreaterOrEqualTo(IntListTestFixture.MinTestValue);
+				curr.Should().BeGreaterThanOrEqualTo(IntListTestFixture.MinTestValue);
 			}
 		}
 
@@ -75,12 +75,12 @@ public void random_element_from_Dictionary()
 			{
 				// Test via the method taking ICollection
 				var curr = dict.Random();
-				curr.Key.Should().BeGreaterOrEqualTo(IntListTestFixture.MinTestValue);
+				curr.Key.Should().BeGreaterThanOrEqualTo(IntListTestFixture.MinTestValue);
 				curr.Value.Should().BeEquivalentTo(curr.Key.ToString());
 
 				// Test via the method taking IEnumerable
 				curr = enr.Random();
-				curr.Key.Should().BeGreaterOrEqualTo(IntListTestFixture.MinTestValue);
+				curr.Key.Should().BeGreaterThanOrEqualTo(IntListTestFixture.MinTestValue);
 				curr.Value.Should().BeEquivalentTo(curr.Key.ToString());
 			}
 		}
@@ -98,12 +98,12 @@ public void random_element_from_SortedList()
 			{
 				// Test via the method taking ICollection
 				var curr = list.Random();
-				curr.Key.Should().BeGreaterOrEqualTo(IntListTestFixture.MinTestValue);
+				curr.Key.Should().BeGreaterThanOrEqualTo(IntListTestFixture.MinTestValue);
 				curr.Value.Should().BeEquivalentTo(curr.Key.ToString());
 
 				// Test via the method taking IEnumerable
 				curr = enr.Random();
-				curr.Key.Should().BeGreaterOrEqualTo(IntListTestFixture.MinTestValue);
+				curr.Key.Should().BeGreaterThanOrEqualTo(IntListTestFixture.MinTestValue);
 				curr.Value.Should().BeEquivalentTo(curr.Key.ToString());
 			}
 		}
diff --git a/common.test.props b/common.test.props
index f64fe3e..13715fa 100644
--- a/common.test.props
+++ b/common.test.props
@@ -11,8 +11,8 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.*" />
     <PackageReference Include="xunit" Version="2.*" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.*" />
-    <PackageReference Include="FluentAssertions" Version="6.*" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.*" />
+    <PackageReference Include="FluentAssertions" Version="8.*" />
   </ItemGroup>