diff --git a/.changeset/long-bikes-knock.md b/.changeset/long-bikes-knock.md
new file mode 100644
index 00000000000..a69c460a034
--- /dev/null
+++ b/.changeset/long-bikes-knock.md
@@ -0,0 +1,5 @@
+---
+'react-docgen': patch
+---
+
+Fix recognition of PropTypes.bigint as a built-in prop type
diff --git a/packages/react-docgen/src/Documentation.ts b/packages/react-docgen/src/Documentation.ts
index 53e05da501e..fdb9c767131 100644
--- a/packages/react-docgen/src/Documentation.ts
+++ b/packages/react-docgen/src/Documentation.ts
@@ -36,6 +36,7 @@ export interface PropTypeDescriptor {
     | 'any'
     | 'array'
     | 'arrayOf'
+    | 'bigint'
     | 'bool'
     | 'custom'
     | 'element'
diff --git a/packages/react-docgen/src/utils/__tests__/getPropType-test.ts b/packages/react-docgen/src/utils/__tests__/getPropType-test.ts
index 65e161d06af..25840dfbe1b 100644
--- a/packages/react-docgen/src/utils/__tests__/getPropType-test.ts
+++ b/packages/react-docgen/src/utils/__tests__/getPropType-test.ts
@@ -8,6 +8,7 @@ describe('getPropType', () => {
   test('detects simple prop types', () => {
     const simplePropTypes = [
       'array',
+      'bigint',
       'bool',
       'func',
       'number',
diff --git a/packages/react-docgen/src/utils/getPropType.ts b/packages/react-docgen/src/utils/getPropType.ts
index 07b4ccfd0e6..67af612652f 100644
--- a/packages/react-docgen/src/utils/getPropType.ts
+++ b/packages/react-docgen/src/utils/getPropType.ts
@@ -217,6 +217,7 @@ function getPropTypeInstanceOf(
 
 const simplePropTypes = [
   'array',
+  'bigint',
   'bool',
   'func',
   'number',