diff --git a/tests/AnthropicClient.Tests/Unit/Models/EphemeralCacheControlTests.cs b/tests/AnthropicClient.Tests/Unit/Models/EphemeralCacheControlTests.cs
new file mode 100644
index 0000000..8e2b486
--- /dev/null
+++ b/tests/AnthropicClient.Tests/Unit/Models/EphemeralCacheControlTests.cs
@@ -0,0 +1,10 @@
+namespace AnthropicClient.Tests.Unit.Models;
+
+public class EphemeralCacheControlTests
+{
+  [Fact]
+  public void Constructor_WhenCalled_ItShouldInitializeType()
+  {
+    new EphemeralCacheControl().Type.Should().Be(CacheControlType.Ephemeral);
+  }
+}
\ No newline at end of file