diff --git a/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/index.js b/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/index.js
index 94b36c6105b..e1b8f8a2d0a 100644
--- a/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/index.js
+++ b/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/index.js
@@ -2,6 +2,7 @@ import { memo } from 'react';
 import SwaggerUI from 'swagger-ui-react';
 import StyledWrapper from './StyledWrapper';
 import { serializeBody } from './serializeBody';
+import { normalizeSpecForSwagger } from './normalizeSpec';
 
 /*
   OpenAPISec 3.1.0 resolver ignores to dereference "$refs" when document.baseURI is not http/https as the packaged app is loaded over "file:/", so every internal $ref fails with "Evaluation failed on URI".
@@ -77,11 +78,12 @@ const requestInterceptor = (req) => {
 };
 
 const Swagger = ({ spec, onComplete }) => {
+  const normalizedSpec = normalizeSpecForSwagger(spec);
   return (
     <StyledWrapper>
       <div className="swagger-root w-full">
         <SwaggerUI
-          spec={spec}
+          spec={normalizedSpec}
           onComplete={onComplete}
           requestInterceptor={requestInterceptor}
         />
diff --git a/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/normalizeSpec.js b/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/normalizeSpec.js
new file mode 100644
index 00000000000..f9f7446cd2a
--- /dev/null
+++ b/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/normalizeSpec.js
@@ -0,0 +1,24 @@
+/**
+ * SwaggerUI (swagger-ui-react) supports Swagger 2.0 and OpenAPI 3.0.x / 3.1.x.
+ * When an OpenAPI specification specifies a newer 3.x version (such as 3.2.0, 3.2.1),
+ * SwaggerUI rejects it as an unsupported version. Normalizing the version field to 3.1.0
+ * allows SwaggerUI to parse and render the document seamlessly.
+ */
+export const normalizeSpecForSwagger = (spec) => {
+  if (!spec) return spec;
+
+  if (typeof spec === 'string') {
+    return spec.replace(/(["']?openapi["']?\s*:\s*["']?)3\.[2-9]\d*(?:\.\d+)?([^"'\n\r]*["']?)/i, '$13.1.0$2');
+  }
+
+  if (typeof spec === 'object' && spec !== null) {
+    if (typeof spec.openapi === 'string' && /^3\.([2-9]|\d{2,})(\.|$)/.test(spec.openapi)) {
+      return {
+        ...spec,
+        openapi: '3.1.0'
+      };
+    }
+  }
+
+  return spec;
+};
diff --git a/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/normalizeSpec.spec.js b/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/normalizeSpec.spec.js
new file mode 100644
index 00000000000..bc2e662cfb6
--- /dev/null
+++ b/packages/bruno-app/src/components/ApiSpecPanel/Renderers/Swagger/normalizeSpec.spec.js
@@ -0,0 +1,44 @@
+import { normalizeSpecForSwagger } from './normalizeSpec';
+
+describe('normalizeSpecForSwagger', () => {
+  it('returns falsy or non-object/string inputs unchanged', () => {
+    expect(normalizeSpecForSwagger(null)).toBeNull();
+    expect(normalizeSpecForSwagger(undefined)).toBeUndefined();
+    expect(normalizeSpecForSwagger(123)).toBe(123);
+  });
+
+  it('leaves OpenAPI 3.0.x and 3.1.x specs unchanged in string format', () => {
+    const yaml30 = 'openapi: 3.0.3\ninfo:\n  title: Test';
+    const yaml31 = 'openapi: "3.1.0"\ninfo:\n  title: Test';
+    const json30 = '{"openapi": "3.0.0", "info": {}}';
+    expect(normalizeSpecForSwagger(yaml30)).toBe(yaml30);
+    expect(normalizeSpecForSwagger(yaml31)).toBe(yaml31);
+    expect(normalizeSpecForSwagger(json30)).toBe(json30);
+  });
+
+  it('normalizes OpenAPI 3.2.0 and 3.2.1 string specs to 3.1.0', () => {
+    const yaml32 = 'openapi: 3.2.0\ninfo:\n  title: Test';
+    const yaml321 = 'openapi: 3.2.1\ninfo:\n  title: Test';
+    const yamlQuotes = 'openapi: "3.2.1"\ninfo:\n  title: Test';
+    const json32 = '{"openapi": "3.2.0", "info": {}}';
+
+    expect(normalizeSpecForSwagger(yaml32)).toBe('openapi: 3.1.0\ninfo:\n  title: Test');
+    expect(normalizeSpecForSwagger(yaml321)).toBe('openapi: 3.1.0\ninfo:\n  title: Test');
+    expect(normalizeSpecForSwagger(yamlQuotes)).toBe('openapi: "3.1.0"\ninfo:\n  title: Test');
+    expect(normalizeSpecForSwagger(json32)).toBe('{"openapi": "3.1.0", "info": {}}');
+  });
+
+  it('normalizes OpenAPI 3.2.x object specs to 3.1.0', () => {
+    const obj32 = { openapi: '3.2.1', info: { title: 'Test' } };
+    const result = normalizeSpecForSwagger(obj32);
+    expect(result.openapi).toBe('3.1.0');
+    expect(result.info.title).toBe('Test');
+  });
+
+  it('leaves OpenAPI 3.0.x and 3.1.x object specs unchanged', () => {
+    const obj30 = { openapi: '3.0.0', info: { title: 'Test' } };
+    const obj31 = { openapi: '3.1.0', info: { title: 'Test' } };
+    expect(normalizeSpecForSwagger(obj30)).toEqual(obj30);
+    expect(normalizeSpecForSwagger(obj31)).toEqual(obj31);
+  });
+});