diff --git a/Chickensoft.Log.Tests/Chickensoft.Log.Tests.csproj b/Chickensoft.Log.Tests/Chickensoft.Log.Tests.csproj
index dfced09..f881904 100644
--- a/Chickensoft.Log.Tests/Chickensoft.Log.Tests.csproj
+++ b/Chickensoft.Log.Tests/Chickensoft.Log.Tests.csproj
@@ -12,7 +12,8 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="LightMock.Generator" Version="1.2.2" />
+    <PackageReference Include="LightMoq" Version="0.1.0" />
     <PackageReference Include="Shouldly" Version="4.2.1" />
     <PackageReference Include="xunit" Version="2.5.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
diff --git a/Chickensoft.Log.Tests/test/src/ConsoleLogTest.cs b/Chickensoft.Log.Tests/test/src/ConsoleLogTest.cs
index 7bf37e2..9eebe29 100644
--- a/Chickensoft.Log.Tests/test/src/ConsoleLogTest.cs
+++ b/Chickensoft.Log.Tests/test/src/ConsoleLogTest.cs
@@ -1,6 +1,7 @@
 namespace Chickensoft.Log.Tests;
 
-using Moq;
+using LightMock;
+using LightMock.Generator;
 using Shouldly;
 
 public class ConsoleLogTest {
@@ -18,9 +19,9 @@ public void PrintsMessage() {
     var mockWriter = new Mock<ConsoleLog.IWriter>();
     var log = new ConsoleLog(nameof(ConsoleLogTest), mockWriter.Object);
     log.Print(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteMessage($"{nameof(ConsoleLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -28,9 +29,9 @@ public void PrintsError() {
     var mockWriter = new Mock<ConsoleLog.IWriter>();
     var log = new ConsoleLog(nameof(ConsoleLogTest), mockWriter.Object);
     log.Err(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteError($"{nameof(ConsoleLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -38,9 +39,9 @@ public void PrintsWarning() {
     var mockWriter = new Mock<ConsoleLog.IWriter>();
     var log = new ConsoleLog(nameof(ConsoleLogTest), mockWriter.Object);
     log.Warn(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteWarning($"WARNING in {nameof(ConsoleLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -49,12 +50,12 @@ public void PrintsException() {
     var log = new ConsoleLog(nameof(ConsoleLogTest), mockWriter.Object);
     var e = new TestException(_testMsg);
     log.Print(e);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteError($"{nameof(ConsoleLogTest)}: An error occurred."),
-      Times.Once());
-    mockWriter.Verify(writer =>
+      Invoked.Once);
+    mockWriter.Assert(writer =>
         writer.WriteError($"{nameof(ConsoleLogTest)}: {e}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -63,9 +64,9 @@ public void PrintsStackTrace() {
     var log = new ConsoleLog(nameof(ConsoleLogTest), mockWriter.Object);
     var st = new FakeStackTrace("File.cs", "ClassName", "MethodName");
     log.Print(st);
-    mockWriter.Verify(static writer =>
+    mockWriter.Assert(static writer =>
         writer.WriteError($"{nameof(ConsoleLogTest)}: ClassName.MethodName in File.cs(1,2)"),
-      Times.Once()
+      Invoked.Once
     );
   }
 }
diff --git a/Chickensoft.Log.Tests/test/src/FileLogTest.cs b/Chickensoft.Log.Tests/test/src/FileLogTest.cs
index 2242451..e5f5970 100644
--- a/Chickensoft.Log.Tests/test/src/FileLogTest.cs
+++ b/Chickensoft.Log.Tests/test/src/FileLogTest.cs
@@ -1,7 +1,8 @@
 namespace Chickensoft.Log.Tests;
 
 using Chickensoft.Log;
-using Moq;
+using LightMock;
+using LightMock.Generator;
 using Shouldly;
 
 public class FileLogTest {
@@ -19,9 +20,9 @@ public void PrintsMessage() {
     var mockWriter = new Mock<FileLog.IWriter>();
     var log = new FileLog(nameof(FileLogTest), mockWriter.Object);
     log.Print(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteMessage($"{nameof(FileLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -29,9 +30,9 @@ public void PrintsError() {
     var mockWriter = new Mock<FileLog.IWriter>();
     var log = new FileLog(nameof(FileLogTest), mockWriter.Object);
     log.Err(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteError($"ERROR in {nameof(FileLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -39,9 +40,9 @@ public void PrintsWarning() {
     var mockWriter = new Mock<FileLog.IWriter>();
     var log = new FileLog(nameof(FileLogTest), mockWriter.Object);
     log.Warn(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteWarning($"WARNING in {nameof(FileLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -50,12 +51,12 @@ public void PrintsException() {
     var log = new FileLog(nameof(FileLogTest), mockWriter.Object);
     var e = new TestException(_testMsg);
     log.Print(e);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteError($"ERROR in {nameof(FileLogTest)}: An error occurred."),
-      Times.Once());
-    mockWriter.Verify(writer =>
+      Invoked.Once);
+    mockWriter.Assert(writer =>
         writer.WriteError($"ERROR in {nameof(FileLogTest)}: {e}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -64,9 +65,9 @@ public void PrintsStackTrace() {
     var log = new FileLog(nameof(FileLogTest), mockWriter.Object);
     var st = new FakeStackTrace("File.cs", "ClassName", "MethodName");
     log.Print(st);
-    mockWriter.Verify(static writer =>
+    mockWriter.Assert(static writer =>
         writer.WriteError($"ERROR in {nameof(FileLogTest)}: ClassName.MethodName in File.cs(1,2)"),
-      Times.Once()
+      Invoked.Once
     );
   }
 }
diff --git a/Chickensoft.Log.Tests/test/src/MultiLogTest.cs b/Chickensoft.Log.Tests/test/src/MultiLogTest.cs
index 6642a60..716b4f6 100644
--- a/Chickensoft.Log.Tests/test/src/MultiLogTest.cs
+++ b/Chickensoft.Log.Tests/test/src/MultiLogTest.cs
@@ -2,9 +2,13 @@ namespace Chickensoft.Log.Tests;
 
 using System.Collections.Generic;
 using System.Linq;
-using Moq;
+using LightMock;
+using LightMock.Generator;
 using Shouldly;
 
+[System.Diagnostics.CodeAnalysis.SuppressMessage("Style",
+    "IDE0090:new expression can be simplified",
+    Justification = "Need an explicit 'new Mock<ILog>' for LightMock")]
 public class MultiLogTest {
   private readonly string _testMsg = "A test message";
 
@@ -16,58 +20,58 @@ public void Initializes() {
 
   [Fact]
   public void PrintsMessage() {
-    var mockLogs = new List<Mock<ILog>> { new(), new() };
+    var mockLogs = new List<Mock<ILog>> { new Mock<ILog>(), new Mock<ILog>() };
     var logs = (from ml in mockLogs select ml.Object).ToList();
     var log = new MultiLog(logs);
     log.Print(_testMsg);
     foreach (var ml in mockLogs) {
-      ml.Verify(log => log.Print(_testMsg), Times.Once());
+      ml.Assert(log => log.Print(_testMsg), Invoked.Once);
     }
   }
 
   [Fact]
   public void PrintsError() {
-    var mockLogs = new List<Mock<ILog>> { new(), new() };
+    var mockLogs = new List<Mock<ILog>> { new Mock<ILog>(), new Mock<ILog>() };
     var logs = (from ml in mockLogs select ml.Object).ToList();
     var log = new MultiLog(logs);
     log.Err(_testMsg);
     foreach (var ml in mockLogs) {
-      ml.Verify(log => log.Err(_testMsg), Times.Once());
+      ml.Assert(log => log.Err(_testMsg), Invoked.Once);
     }
   }
 
   [Fact]
   public void PrintsWarning() {
-    var mockLogs = new List<Mock<ILog>> { new(), new() };
+    var mockLogs = new List<Mock<ILog>> { new Mock<ILog>(), new Mock<ILog>() };
     var logs = (from ml in mockLogs select ml.Object).ToList();
     var log = new MultiLog(logs);
     log.Warn(_testMsg);
     foreach (var ml in mockLogs) {
-      ml.Verify(log => log.Warn(_testMsg), Times.Once());
+      ml.Assert(log => log.Warn(_testMsg), Invoked.Once);
     }
   }
 
   [Fact]
   public void PrintsException() {
-    var mockLogs = new List<Mock<ILog>> { new(), new() };
+    var mockLogs = new List<Mock<ILog>> { new Mock<ILog>(), new Mock<ILog>() };
     var logs = (from ml in mockLogs select ml.Object).ToList();
     var log = new MultiLog(logs);
     var e = new TestException(_testMsg);
     log.Print(e);
     foreach (var ml in mockLogs) {
-      ml.Verify(log => log.Print(e), Times.Once());
+      ml.Assert(log => log.Print(e), Invoked.Once);
     }
   }
 
   [Fact]
   public void PrintsStackTrace() {
-    var mockLogs = new List<Mock<ILog>> { new(), new() };
+    var mockLogs = new List<Mock<ILog>> { new Mock<ILog>(), new Mock<ILog>() };
     var logs = (from ml in mockLogs select ml.Object).ToList();
     var log = new MultiLog(logs);
     var st = new FakeStackTrace("File.cs", "ClassName", "MethodName");
     log.Print(st);
     foreach (var ml in mockLogs) {
-      ml.Verify(log => log.Print(st), Times.Once());
+      ml.Assert(log => log.Print(st), Invoked.Once);
     }
   }
 }
diff --git a/Chickensoft.Log.Tests/test/src/TraceLogTest.cs b/Chickensoft.Log.Tests/test/src/TraceLogTest.cs
index b7960dc..2c1943b 100644
--- a/Chickensoft.Log.Tests/test/src/TraceLogTest.cs
+++ b/Chickensoft.Log.Tests/test/src/TraceLogTest.cs
@@ -1,6 +1,7 @@
 namespace Chickensoft.Log.Tests;
 
-using Moq;
+using LightMock;
+using LightMock.Generator;
 using Shouldly;
 
 public class TraceLogTest {
@@ -18,9 +19,9 @@ public void PrintsMessage() {
     var mockWriter = new Mock<TraceLog.IWriter>();
     var log = new TraceLog(nameof(TraceLogTest), mockWriter.Object);
     log.Print(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteMessage($"{nameof(TraceLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -28,9 +29,9 @@ public void PrintsError() {
     var mockWriter = new Mock<TraceLog.IWriter>();
     var log = new TraceLog(nameof(TraceLogTest), mockWriter.Object);
     log.Err(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteError($"{nameof(TraceLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -38,9 +39,9 @@ public void PrintsWarning() {
     var mockWriter = new Mock<TraceLog.IWriter>();
     var log = new TraceLog(nameof(TraceLogTest), mockWriter.Object);
     log.Warn(_testMsg);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteWarning($"WARNING in {nameof(TraceLogTest)}: {_testMsg}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -49,12 +50,12 @@ public void PrintsException() {
     var log = new TraceLog(nameof(TraceLogTest), mockWriter.Object);
     var e = new TestException(_testMsg);
     log.Print(e);
-    mockWriter.Verify(writer =>
+    mockWriter.Assert(writer =>
         writer.WriteError($"{nameof(TraceLogTest)}: An error occurred."),
-      Times.Once());
-    mockWriter.Verify(writer =>
+      Invoked.Once);
+    mockWriter.Assert(writer =>
         writer.WriteError($"{nameof(TraceLogTest)}: {e}"),
-      Times.Once());
+      Invoked.Once);
   }
 
   [Fact]
@@ -63,9 +64,9 @@ public void PrintsStackTrace() {
     var log = new TraceLog(nameof(TraceLogTest), mockWriter.Object);
     var st = new FakeStackTrace("File.cs", "ClassName", "MethodName");
     log.Print(st);
-    mockWriter.Verify(static writer =>
+    mockWriter.Assert(static writer =>
         writer.WriteError($"{nameof(TraceLogTest)}: ClassName.MethodName in File.cs(1,2)"),
-      Times.Once()
+      Invoked.Once
     );
   }
 }