diff --git a/library-css/material.scss b/library-css/material.scss
index 363cc6d..604498a 100644
--- a/library-css/material.scss
+++ b/library-css/material.scss
@@ -40,16 +40,16 @@ $warn-color: (
         900: #BD640D,
         contrast: (50: #ffffff)
 );
-$my-app-primary: mat.define-palette($primary-color);
-$my-app-accent: mat.define-palette($secondary-color);
-$my-app-warn: mat.define-palette($warn-color);
-$my-app-theme: mat.define-light-theme((
+$my-app-primary: mat.m2-define-palette($primary-color);
+$my-app-accent: mat.m2-define-palette($secondary-color);
+$my-app-warn: mat.m2-define-palette($warn-color);
+$my-app-theme: mat.m2-define-light-theme((
         color: (
                 primary: $my-app-primary,
                 accent: $my-app-accent,
                 warn: $my-app-warn
         ),
-        typography: mat.define-typography-config(),
+        typography: mat.m2-define-typography-config(),
         density: 0,
 ));