diff --git a/packages/react/src/FeatureFlags/DefaultFeatureFlags.ts b/packages/react/src/FeatureFlags/DefaultFeatureFlags.ts
index efe60fb47ad..4db2bc59d51 100644
--- a/packages/react/src/FeatureFlags/DefaultFeatureFlags.ts
+++ b/packages/react/src/FeatureFlags/DefaultFeatureFlags.ts
@@ -1,7 +1,7 @@
 import {FeatureFlagScope} from './FeatureFlagScope'
 
 export const DefaultFeatureFlags = FeatureFlagScope.create({
-  primer_react_css_anchor_positioning: false,
+  primer_react_css_anchor_positioning: true,
   primer_react_select_panel_fullscreen_on_narrow: false,
   primer_react_select_panel_order_selected_at_top: false,
   primer_react_styled_react_use_primer_theme_providers: false,