diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 6e19cce2..6e743cdf 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -23,6 +23,12 @@ updates:
     open-pull-requests-limit: 5
     labels:
       - "dependencies"
+    ignore:
+      # The FsCheck.Xunit 3.x migration is done (#303). Hold *future major*
+      # bumps (4.x+) so the next breaking API refactor is taken as a
+      # deliberate migration, not auto-proposed. Minor/patch still flow.
+      - dependency-name: "FsCheck.Xunit"
+        update-types: ["version-update:semver-major"]
 
   - package-ecosystem: "nuget"
     directory: "/benchmarks"
diff --git a/tests/Wolfgang.TryPattern.Tests.Unit/FuzzTests.cs b/tests/Wolfgang.TryPattern.Tests.Unit/FuzzTests.cs
index d77606fb..58ca4ddf 100644
--- a/tests/Wolfgang.TryPattern.Tests.Unit/FuzzTests.cs
+++ b/tests/Wolfgang.TryPattern.Tests.Unit/FuzzTests.cs
@@ -15,6 +15,7 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using FsCheck;
+using FsCheck.Fluent;
 using FsCheck.Xunit;
 
 namespace Wolfgang.TryPattern.Tests.Unit;
diff --git a/tests/Wolfgang.TryPattern.Tests.Unit/PropertyTests.cs b/tests/Wolfgang.TryPattern.Tests.Unit/PropertyTests.cs
index 674f2296..63d27bed 100644
--- a/tests/Wolfgang.TryPattern.Tests.Unit/PropertyTests.cs
+++ b/tests/Wolfgang.TryPattern.Tests.Unit/PropertyTests.cs
@@ -20,6 +20,7 @@
 
 using System;
 using FsCheck;
+using FsCheck.Fluent;
 using FsCheck.Xunit;
 
 namespace Wolfgang.TryPattern.Tests.Unit;
diff --git a/tests/Wolfgang.TryPattern.Tests.Unit/Wolfgang.TryPattern.Tests.Unit.csproj b/tests/Wolfgang.TryPattern.Tests.Unit/Wolfgang.TryPattern.Tests.Unit.csproj
index 16051ffa..bad7e1e7 100644
--- a/tests/Wolfgang.TryPattern.Tests.Unit/Wolfgang.TryPattern.Tests.Unit.csproj
+++ b/tests/Wolfgang.TryPattern.Tests.Unit/Wolfgang.TryPattern.Tests.Unit.csproj
@@ -39,10 +39,11 @@
 		<PackageReference Include="xunit" Version="2.9.3" />
 		<PackageReference Include="xunit.assert" Version="2.9.3" />
 		<PackageReference Include="xunit.extensibility.core" Version="2.9.3" />
-		<!-- FsCheck property-based fuzzing (issue #170). 2.x line targets
-		     xunit v2 which is what this project uses (xunit 2.9.3 core).
-		     The FsCheck.Xunit.v3 package is for xunit v3 only. -->
-		<PackageReference Include="FsCheck.Xunit" Version="2.16.6" />
+		<!-- FsCheck property-based fuzzing (issue #170). FsCheck.Xunit 3.x
+		     still targets xunit v2, which is what this project uses (xunit
+		     2.9.3 core); FsCheck.Xunit.v3 is the xunit v3 package. C# callers
+		     need `using FsCheck.Fluent;` for Prop / ToProperty (#303). -->
+		<PackageReference Include="FsCheck.Xunit" Version="3.4.0" />
 	</ItemGroup>
 
 	<!-- .NET Framework 4.6.2 - 4.8.1 specific packages -->