diff --git a/Directory.Packages.props b/Directory.Packages.props
index 37aedaaf9..5f84ba0d4 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -1,8 +1,8 @@
   <Project>
   <PropertyGroup>
-    <EFCoreVersion>10.0.0-preview.2.25103.6</EFCoreVersion>
-    <MicrosoftExtensionsVersion>10.0.0-preview.2.25102.2</MicrosoftExtensionsVersion>
-    <NpgsqlVersion>9.0.2</NpgsqlVersion>
+    <EFCoreVersion>10.0.0-preview.2.25121.105</EFCoreVersion>
+    <MicrosoftExtensionsVersion>10.0.0-preview.2.25121.105</MicrosoftExtensionsVersion>
+    <NpgsqlVersion>9.0.3</NpgsqlVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/EFCore.PG.FunctionalTests/Query/AdHocJsonQueryNpgsqlTest.cs b/test/EFCore.PG.FunctionalTests/Query/AdHocJsonQueryNpgsqlTest.cs
index ca57346bc..5b2acfc38 100644
--- a/test/EFCore.PG.FunctionalTests/Query/AdHocJsonQueryNpgsqlTest.cs
+++ b/test/EFCore.PG.FunctionalTests/Query/AdHocJsonQueryNpgsqlTest.cs
@@ -182,6 +182,36 @@ await ctx.Database.ExecuteSqlAsync(
 """);
     }
 
+    #region BadJsonProperties
+
+    // PostgreSQL stores JSON as jsonb, which doesn't allow badly-formed JSON; so the following tests are irrelevant.
+
+    public override Task Bad_json_properties_duplicated_navigations_tracking()
+        => Assert.ThrowsAsync<NotSupportedException>(() => base.Bad_json_properties_duplicated_navigations_tracking());
+
+    public override Task Bad_json_properties_duplicated_navigations_no_tracking()
+        => Assert.ThrowsAsync<NotSupportedException>(() => base.Bad_json_properties_duplicated_navigations_no_tracking());
+
+    public override Task Bad_json_properties_duplicated_scalars(bool noTracking)
+        => Assert.ThrowsAsync<NotSupportedException>(() => base.Bad_json_properties_duplicated_scalars(noTracking));
+
+    public override Task Bad_json_properties_empty_navigations(bool noTracking)
+        => Assert.ThrowsAsync<NotSupportedException>(() => base.Bad_json_properties_empty_navigations(noTracking));
+
+    public override Task Bad_json_properties_empty_scalars(bool noTracking)
+        => Assert.ThrowsAsync<NotSupportedException>(() => base.Bad_json_properties_empty_scalars(noTracking));
+
+    public override Task Bad_json_properties_null_navigations(bool noTracking)
+        => Assert.ThrowsAsync<NotSupportedException>(() => base.Bad_json_properties_null_navigations(noTracking));
+
+    public override Task Bad_json_properties_null_scalars(bool noTracking)
+        => Assert.ThrowsAsync<NotSupportedException>(() => base.Bad_json_properties_null_scalars(noTracking));
+
+    protected override Task SeedBadJsonProperties(ContextBadJsonProperties ctx)
+        => throw new NotSupportedException("PostgreSQL stores JSON as jsonb, which doesn't allow badly-formed JSON");
+
+    #endregion
+
     [ConditionalTheory, MemberData(nameof(IsAsyncData))]
     public virtual async Task Json_predicate_on_bytea(bool async)
     {