diff --git a/.changeset/spotty-comics-carry.md b/.changeset/spotty-comics-carry.md
new file mode 100644
index 00000000000..aec3c4e17b3
--- /dev/null
+++ b/.changeset/spotty-comics-carry.md
@@ -0,0 +1,5 @@
+---
+'@itwin/itwinui-react': patch
+---
+
+Fixed the fallback CSS logic in `ThemeProvider` to load the correct stylesheet version.
diff --git a/packages/itwinui-react/src/core/ThemeProvider/ThemeProvider.tsx b/packages/itwinui-react/src/core/ThemeProvider/ThemeProvider.tsx
index 3c16e9c6ecf..e844a87061c 100644
--- a/packages/itwinui-react/src/core/ThemeProvider/ThemeProvider.tsx
+++ b/packages/itwinui-react/src/core/ThemeProvider/ThemeProvider.tsx
@@ -428,7 +428,7 @@ const FallbackStyles = ({ root }: { root: HTMLElement }) => {
       } catch (error) {
         console.log('Error loading styles.css locally', error);
         const css = await importCss(
-          'https://cdn.jsdelivr.net/npm/@itwin/itwinui-react@3/styles.css',
+          `https://cdn.jsdelivr.net/npm/@itwin/itwinui-react@${meta.version}/styles.css`,
         );
         document.adoptedStyleSheets = [
           ...document.adoptedStyleSheets,