diff --git a/lib/PuppeteerSharp.Nunit/TestExpectations/TestExpectations.upstream.json b/lib/PuppeteerSharp.Nunit/TestExpectations/TestExpectations.upstream.json
index 7f7da06ce..2e6ddff10 100644
--- a/lib/PuppeteerSharp.Nunit/TestExpectations/TestExpectations.upstream.json
+++ b/lib/PuppeteerSharp.Nunit/TestExpectations/TestExpectations.upstream.json
@@ -1313,6 +1313,13 @@
     "expectations": ["FAIL"],
     "comment": "TODO: add a comment explaining why this expectation is required (include links to issues)"
   },
+  {
+    "testIdPattern": "[cookies.spec] Cookie specs Page.setCookie should set cookie with all available properties",
+    "platforms": ["darwin", "linux", "win32"],
+    "parameters": ["firefox"],
+    "expectations": ["FAIL"],
+    "comment": "Chromium-specific test. The sourceScheme property is chromium-specific."
+  },
   {
     "testIdPattern": "[cookies.spec] Cookie specs Page.setCookie should set secure same-site cookies from a frame",
     "platforms": ["darwin", "linux", "win32"],
diff --git a/lib/PuppeteerSharp.Tests/CookiesTests/SetCookiesTests.cs b/lib/PuppeteerSharp.Tests/CookiesTests/SetCookiesTests.cs
index 423272f71..7a7abb09e 100644
--- a/lib/PuppeteerSharp.Tests/CookiesTests/SetCookiesTests.cs
+++ b/lib/PuppeteerSharp.Tests/CookiesTests/SetCookiesTests.cs
@@ -131,6 +131,39 @@ await Page.SetCookieAsync(new CookieParam
             Assert.True(cookie.Session);
         }
 
+        [Test, Retry(2), PuppeteerTest("cookies.spec", "Cookie specs Page.setCookie", "should set cookie with all available properties")]
+        public async Task ShouldSetCookieWithAllAvailableProperties()
+        {
+            await Page.GoToAsync(TestConstants.EmptyPage);
+
+            await Page.SetCookieAsync(new CookieParam
+            {
+                Name = "password",
+                Value = "123456",
+                Domain = "localhost",
+                Path = "/",
+                SameParty = false,
+                Expires = -1,
+                HttpOnly = false,
+                Secure = false,
+                SourceScheme = CookieSourceScheme.Unset,
+            });
+
+            var cookies = await Page.GetCookiesAsync();
+            Assert.That(cookies, Has.Exactly(1).Items);
+            var cookie = cookies.First();
+            Assert.AreEqual("password", cookie.Name);
+            Assert.AreEqual("123456", cookie.Value);
+            Assert.AreEqual("localhost", cookie.Domain);
+            Assert.AreEqual("/", cookie.Path);
+            Assert.AreEqual(-1, cookie.Expires);
+            Assert.AreEqual(14, cookie.Size);
+            Assert.False(cookie.HttpOnly);
+            Assert.False(cookie.Secure);
+            Assert.True(cookie.Session);
+            Assert.AreEqual(CookieSourceScheme.Unset, cookie.SourceScheme);
+        }
+
         [Test, Retry(2), PuppeteerTest("cookies.spec", "Cookie specs Page.setCookie", "should set a cookie with a path")]
         public async Task ShouldSetACookieWithAPath()
         {
diff --git a/lib/PuppeteerSharp/CookieSourceScheme.cs b/lib/PuppeteerSharp/CookieSourceScheme.cs
index 596b87b7d..1c2551845 100644
--- a/lib/PuppeteerSharp/CookieSourceScheme.cs
+++ b/lib/PuppeteerSharp/CookieSourceScheme.cs
@@ -20,6 +20,9 @@
 //  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 //  * SOFTWARE.
 
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
 namespace PuppeteerSharp;
 
 /// <summary>
@@ -27,6 +30,7 @@ namespace PuppeteerSharp;
 /// "Unset" allows protocol clients to emulate legacy cookie scope for the scheme.
 /// This is a temporary ability and it will be removed in the future.
 /// </summary>
+[JsonConverter(typeof(StringEnumConverter))]
 public enum CookieSourceScheme
 {
     /// <summary>
diff --git a/lib/PuppeteerSharp/PuppeteerSharp.csproj b/lib/PuppeteerSharp/PuppeteerSharp.csproj
index f91b92eca..d166dcafb 100644
--- a/lib/PuppeteerSharp/PuppeteerSharp.csproj
+++ b/lib/PuppeteerSharp/PuppeteerSharp.csproj
@@ -12,10 +12,10 @@
     <Description>Headless Browser .NET API</Description>
     <PackageId>PuppeteerSharp</PackageId>
     <PackageReleaseNotes></PackageReleaseNotes>
-    <PackageVersion>18.0.4</PackageVersion>
-    <ReleaseVersion>18.0.4</ReleaseVersion>
-    <AssemblyVersion>18.0.4</AssemblyVersion>
-    <FileVersion>18.0.4</FileVersion>
+    <PackageVersion>18.0.5</PackageVersion>
+    <ReleaseVersion>18.0.5</ReleaseVersion>
+    <AssemblyVersion>18.0.5</AssemblyVersion>
+    <FileVersion>18.0.5</FileVersion>
     <SynchReleaseVersion>false</SynchReleaseVersion>
     <StyleCopTreatErrorsAsWarnings>false</StyleCopTreatErrorsAsWarnings>
     <DebugType>embedded</DebugType>