diff --git a/src/UniGetUI.PackageEngine.PackageLoader/UpgradablePackagesLoader.cs b/src/UniGetUI.PackageEngine.PackageLoader/UpgradablePackagesLoader.cs
index 5e3f5c18ce..d57e24dab5 100644
--- a/src/UniGetUI.PackageEngine.PackageLoader/UpgradablePackagesLoader.cs
+++ b/src/UniGetUI.PackageEngine.PackageLoader/UpgradablePackagesLoader.cs
@@ -34,6 +34,18 @@ protected override async Task<bool> IsPackageValid(IPackage package)
             if (package.VersionString == package.NewVersionString)
                 return false;
 
+            if (
+                package.NormalizedNewVersion != default
+                && package.Manager.CompareVersions(package.VersionString, package.NewVersionString)
+                    is >= 0
+            )
+            {
+                Logger.Info(
+                    $"Ignoring package {package.Id} because the offered version {package.NewVersionString} is not newer than the installed version {package.VersionString}."
+                );
+                return false;
+            }
+
             if (package.NewerVersionIsInstalled())
             {
                 Logger.Info(
diff --git a/src/UniGetUI.PackageEngine.Tests/UpgradablePackagesLoaderTests.cs b/src/UniGetUI.PackageEngine.Tests/UpgradablePackagesLoaderTests.cs
index a1abd13c25..7d94e3c63a 100644
--- a/src/UniGetUI.PackageEngine.Tests/UpgradablePackagesLoaderTests.cs
+++ b/src/UniGetUI.PackageEngine.Tests/UpgradablePackagesLoaderTests.cs
@@ -170,6 +170,63 @@ await installedLoader.AddForeign(
         Assert.True(await loader.EvaluatePackageAsync(package));
     }
 
+    [Fact]
+    public async Task EvaluatePackageAsync_RejectsOlderOfferedVersionWithoutTheInstalledList()
+    {
+        var manager = new PackageManagerBuilder().Build();
+        _ = new InstalledPackagesLoader([manager]);
+        _ = new DiscoverablePackagesLoader([manager]);
+        var loader = new TestUpgradablePackagesLoader([manager]);
+
+        var package = new PackageBuilder()
+            .WithManager(manager)
+            .WithId("Daum.PotPlayer")
+            .WithVersion("260819")
+            .WithNewVersion("210428")
+            .Build();
+
+        Assert.False(await loader.EvaluatePackageAsync(package));
+    }
+
+    [Theory]
+    [InlineData("stable")]
+    [InlineData("latest")]
+    [InlineData("2.0.0_rc1")]
+    public async Task EvaluatePackageAsync_KeepsUpdatesWhoseOfferedVersionCannotBeParsed(string newVersion)
+    {
+        var manager = new PackageManagerBuilder().Build();
+        _ = new InstalledPackagesLoader([manager]);
+        _ = new DiscoverablePackagesLoader([manager]);
+        var loader = new TestUpgradablePackagesLoader([manager]);
+
+        var package = new PackageBuilder()
+            .WithManager(manager)
+            .WithId("org.contoso.Flatpak")
+            .WithVersion("3.2.1")
+            .WithNewVersion(newVersion)
+            .Build();
+
+        Assert.True(await loader.EvaluatePackageAsync(package));
+    }
+
+    [Fact]
+    public async Task EvaluatePackageAsync_KeepsUpdatesWhenTheInstalledVersionIsUnknown()
+    {
+        var manager = new PackageManagerBuilder().Build();
+        _ = new InstalledPackagesLoader([manager]);
+        _ = new DiscoverablePackagesLoader([manager]);
+        var loader = new TestUpgradablePackagesLoader([manager]);
+
+        var package = new PackageBuilder()
+            .WithManager(manager)
+            .WithId("Contoso.Unversioned")
+            .WithVersion("Unknown")
+            .WithNewVersion("210428")
+            .Build();
+
+        Assert.True(await loader.EvaluatePackageAsync(package));
+    }
+
     [Fact]
     public async Task ApplyWhenAddingPackageAsync_UpdatesDiscoverableAndInstalledTags()
     {