diff --git a/storybook/package-styles/block-editor-ltr.lazy.scss b/storybook/package-styles/block-editor-ltr.lazy.scss
index 4a84559461387f..6e2cce4438268d 100644
--- a/storybook/package-styles/block-editor-ltr.lazy.scss
+++ b/storybook/package-styles/block-editor-ltr.lazy.scss
@@ -1 +1 @@
-@import "../../packages/block-editor/build-style/style";
+@import "../../packages/block-editor/build-style/style.css";
diff --git a/storybook/package-styles/block-editor-rtl.lazy.scss b/storybook/package-styles/block-editor-rtl.lazy.scss
index d8eacb3d25b585..8657d37518abac 100644
--- a/storybook/package-styles/block-editor-rtl.lazy.scss
+++ b/storybook/package-styles/block-editor-rtl.lazy.scss
@@ -1 +1 @@
-@import "../../packages/block-editor/build-style/style-rtl";
+@import "../../packages/block-editor/build-style/style-rtl.css";
diff --git a/storybook/package-styles/block-library-ltr.lazy.scss b/storybook/package-styles/block-library-ltr.lazy.scss
index a5e373b1c061cd..af63958aa4f2fd 100644
--- a/storybook/package-styles/block-library-ltr.lazy.scss
+++ b/storybook/package-styles/block-library-ltr.lazy.scss
@@ -1,3 +1,3 @@
-@import "../../packages/block-library/build-style/style";
-@import "../../packages/block-library/build-style/theme";
-@import "../../packages/block-library/build-style/editor";
+@import "../../packages/block-library/build-style/style.css";
+@import "../../packages/block-library/build-style/theme.css";
+@import "../../packages/block-library/build-style/editor.css";
diff --git a/storybook/package-styles/block-library-rtl.lazy.scss b/storybook/package-styles/block-library-rtl.lazy.scss
index de83f997385539..f472b81d720507 100644
--- a/storybook/package-styles/block-library-rtl.lazy.scss
+++ b/storybook/package-styles/block-library-rtl.lazy.scss
@@ -1,3 +1,3 @@
-@import "../../packages/block-library/build-style/style-rtl";
-@import "../../packages/block-library/build-style/theme-rtl";
-@import "../../packages/block-library/build-style/editor-rtl";
+@import "../../packages/block-library/build-style/style-rtl.css";
+@import "../../packages/block-library/build-style/theme-rtl.css";
+@import "../../packages/block-library/build-style/editor-rtl.css";
diff --git a/storybook/package-styles/components-ltr.lazy.scss b/storybook/package-styles/components-ltr.lazy.scss
index e7891f25026c4c..c9d2002e2aff74 100644
--- a/storybook/package-styles/components-ltr.lazy.scss
+++ b/storybook/package-styles/components-ltr.lazy.scss
@@ -1 +1 @@
-@import "../../packages/components/build-style/style";
+@import "../../packages/components/build-style/style.css";
diff --git a/storybook/package-styles/components-rtl.lazy.scss b/storybook/package-styles/components-rtl.lazy.scss
index 6cba6edf353da5..18eccbb8bd7c11 100644
--- a/storybook/package-styles/components-rtl.lazy.scss
+++ b/storybook/package-styles/components-rtl.lazy.scss
@@ -1 +1 @@
-@import "../../packages/components/build-style/style-rtl";
+@import "../../packages/components/build-style/style-rtl.css";
diff --git a/storybook/package-styles/dataviews-ltr.lazy.scss b/storybook/package-styles/dataviews-ltr.lazy.scss
index b5e1aa042803aa..02ed0c9779f805 100644
--- a/storybook/package-styles/dataviews-ltr.lazy.scss
+++ b/storybook/package-styles/dataviews-ltr.lazy.scss
@@ -1 +1 @@
-@import "../../packages/dataviews/build-style/style";
+@import "../../packages/dataviews/build-style/style.css";
diff --git a/storybook/package-styles/dataviews-rtl.lazy.scss b/storybook/package-styles/dataviews-rtl.lazy.scss
index d97479a1a5658e..f84964f93850d2 100644
--- a/storybook/package-styles/dataviews-rtl.lazy.scss
+++ b/storybook/package-styles/dataviews-rtl.lazy.scss
@@ -1 +1 @@
-@import "../../packages/dataviews/build-style/style-rtl";
+@import "../../packages/dataviews/build-style/style-rtl.css";
diff --git a/storybook/package-styles/edit-site-ltr.lazy.scss b/storybook/package-styles/edit-site-ltr.lazy.scss
index c704fe9d9530ae..c650798e554856 100644
--- a/storybook/package-styles/edit-site-ltr.lazy.scss
+++ b/storybook/package-styles/edit-site-ltr.lazy.scss
@@ -1 +1 @@
-@import "../../packages/edit-site/build-style/style";
+@import "../../packages/edit-site/build-style/style.css";
diff --git a/storybook/package-styles/edit-site-rtl.lazy.scss b/storybook/package-styles/edit-site-rtl.lazy.scss
index ae9ac27d6b51ef..a1f44ec2f7c51d 100644
--- a/storybook/package-styles/edit-site-rtl.lazy.scss
+++ b/storybook/package-styles/edit-site-rtl.lazy.scss
@@ -1 +1 @@
-@import "../../packages/edit-site/build-style/style-rtl";
+@import "../../packages/edit-site/build-style/style-rtl.css";
diff --git a/storybook/package-styles/format-library-ltr.lazy.scss b/storybook/package-styles/format-library-ltr.lazy.scss
index 0f7db59c5d5dfb..7a7468769865db 100644
--- a/storybook/package-styles/format-library-ltr.lazy.scss
+++ b/storybook/package-styles/format-library-ltr.lazy.scss
@@ -1 +1 @@
-@import "../../packages/format-library/build-style/style";
+@import "../../packages/format-library/build-style/style.css";
diff --git a/storybook/package-styles/format-library-rtl.lazy.scss b/storybook/package-styles/format-library-rtl.lazy.scss
index de2553bb5efa20..7d62ab7000b68b 100644
--- a/storybook/package-styles/format-library-rtl.lazy.scss
+++ b/storybook/package-styles/format-library-rtl.lazy.scss
@@ -1 +1 @@
-@import "../../packages/format-library/build-style/style-rtl";
+@import "../../packages/format-library/build-style/style-rtl.css";