diff --git a/SimApiExtensions.cs b/SimApiExtensions.cs
index 70613e7..9a220dd 100644
--- a/SimApiExtensions.cs
+++ b/SimApiExtensions.cs
@@ -209,6 +209,7 @@ public static class SimApiExtensions
                 x.OperationFilter<SimApiSignOperationFilter>();
                 x.OperationFilter<AesBodyOperationFilter>();
                 x.SchemaFilter<GlobalDynamicObjectSchemaFilter>();
+                x.SchemaFilter<DictionarySchemaFilter>();
                 x.DocumentFilter<RemoveEmptyTagsFilter>();
                 if (simApiOptions.EnableSimApiAuth)
                 {
diff --git a/SwaggerFilters/DictionarySchemaFilter.cs b/SwaggerFilters/DictionarySchemaFilter.cs
new file mode 100644
index 0000000..a735a52
--- /dev/null
+++ b/SwaggerFilters/DictionarySchemaFilter.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using Microsoft.OpenApi;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace SimApi.SwaggerFilters;
+
+public class DictionarySchemaFilter : ISchemaFilter
+{
+    public void Apply(IOpenApiSchema schema, SchemaFilterContext context)
+    {
+        if (!context.Type.IsGenericType || context.Type.GetGenericTypeDefinition() != typeof(Dictionary<,>))
+            return;
+
+        if (schema is not OpenApiSchema concrete) return;
+
+        var valueType = context.Type.GetGenericArguments()[1];
+        concrete.Type = JsonSchemaType.Object;
+        concrete.AdditionalPropertiesAllowed = true;
+        concrete.AdditionalProperties = context.SchemaGenerator.GenerateSchema(valueType, context.SchemaRepository);
+        concrete.Properties?.Clear();
+        concrete.Example = null;
+        concrete.Examples?.Clear();
+    }
+}
\ No newline at end of file