diff --git a/CHANGELOG.md b/CHANGELOG.md
index be2989de74..f642a8e449 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,7 +16,16 @@ should change the heading of the (upcoming) version to include a major version b
 
 -->
 
-# 5.18.7
+# 5.18.6
+
+## @rjsf/antd
+
+- Fix disabled property of options in CheckboxesWidget and RadioWidget ([#4216](https://github.com/rjsf-team/react-jsonschema-form/pull/4216))
+
+## @rjsf/core
+
+- Fixed `omitExtraData` not working in `onSubmit` and `validateForm`; fixing [#4187](https://github.com/rjsf-team/react-jsonschema-form/issues/4187), [#4165](https://github.com/rjsf-team/react-jsonschema-form/issues/4165) and [#4109](https://github.com/rjsf-team/react-jsonschema-form/issues/4109)
+- Fixed case where `readOnly` from a JSON Schema was not applied in SchemaField ([#4236](https://github.com/rjsf-team/react-jsonschema-form/issues/4236))
 
 ## @rjsf/utils
 
@@ -30,16 +39,6 @@ should change the heading of the (upcoming) version to include a major version b
 
 - Fix IdSchema and PathSchema types ([#4196](https://github.com/rjsf-team/react-jsonschema-form/pull/4196))
 
-# 5.18.6
-
-## @rjsf/antd
-
-- Fix disabled property of options in CheckboxesWidget and RadioWidget ([#4216](https://github.com/rjsf-team/react-jsonschema-form/pull/4216))
-
-## @rjsf/core
-
-- Fixed `omitExtraData` not working in `onSubmit` and `validateForm`; fixing [#4187](https://github.com/rjsf-team/react-jsonschema-form/issues/4187), [#4165](https://github.com/rjsf-team/react-jsonschema-form/issues/4165) and [#4109](https://github.com/rjsf-team/react-jsonschema-form/issues/4109)
-
 # 5.18.5
 
 ## @rjsf/antd
diff --git a/packages/core/src/components/fields/SchemaField.tsx b/packages/core/src/components/fields/SchemaField.tsx
index 1bf1f66d65..5ac131609a 100644
--- a/packages/core/src/components/fields/SchemaField.tsx
+++ b/packages/core/src/components/fields/SchemaField.tsx
@@ -151,7 +151,7 @@ function SchemaFieldRender<T = any, S extends StrictRJSFSchema = RJSFSchema, F e
 
   const FieldComponent = getFieldComponent<T, S, F>(schema, uiOptions, idSchema, registry);
   const disabled = Boolean(uiOptions.disabled ?? props.disabled);
-  const readonly = Boolean(uiOptions.readonly ?? props.readonly ?? props.schema.readOnly ?? schema.readOnly);
+  const readonly = Boolean(uiOptions.readonly ?? (props.readonly || props.schema.readOnly || schema.readOnly));
   const uiSchemaHideError = uiOptions.hideError;
   // Set hideError to the value provided in the uiSchema, otherwise stick with the prop to propagate to children
   const hideError = uiSchemaHideError === undefined ? props.hideError : Boolean(uiSchemaHideError);
diff --git a/packages/core/test/SchemaField.test.jsx b/packages/core/test/SchemaField.test.jsx
index f243a5c864..1a82d3f247 100644
--- a/packages/core/test/SchemaField.test.jsx
+++ b/packages/core/test/SchemaField.test.jsx
@@ -847,4 +847,23 @@ describe('SchemaField', () => {
       expect(textContent).to.contains(descText);
     });
   });
+
+  describe('readOnly', () => {
+    const schema = {
+      type: 'object',
+      properties: {
+        foo: { type: 'boolean', readOnly: true },
+      },
+    };
+
+    it('should be readonly if prescribed by the schema', () => {
+      const { node } = createFormComponent({
+        schema,
+      });
+
+      const { disabled } = node.querySelector('input');
+
+      expect(disabled).to.eq(true);
+    });
+  });
 });