diff --git a/src/main/java/de/avatic/lcc/controller/configuration/MaterialController.java b/src/main/java/de/avatic/lcc/controller/configuration/MaterialController.java
index 5bc9671..542f131 100644
--- a/src/main/java/de/avatic/lcc/controller/configuration/MaterialController.java
+++ b/src/main/java/de/avatic/lcc/controller/configuration/MaterialController.java
@@ -37,7 +37,7 @@ public class MaterialController {
      * X-Total-Count (total elements), X-Page-Count (total pages), and X-Current-Page (current page).
      */
     @GetMapping("/")
-    @PreAuthorize("hasRole('SUPER')")
+    @PreAuthorize("hasAnyRole('SUPER', 'CALCULATION', 'BASIC', 'FREIGHT', 'PACKAGING')")
     public ResponseEntity<List<MaterialDTO>> listMaterials(
             @RequestParam(defaultValue = "true") String excludeDeprecated,
             @RequestParam(defaultValue = "20") @Min(1) int limit,
@@ -61,7 +61,7 @@ public class MaterialController {
      * @throws RuntimeException if the material with the given ID is not found.
      */
     @GetMapping("/{id}")
-    @PreAuthorize("hasRole('SUPER')")
+    @PreAuthorize("hasAnyRole('SUPER', 'CALCULATION', 'BASIC', 'FREIGHT', 'PACKAGING')")
     public ResponseEntity<MaterialDetailDTO> getMaterialDetails(@PathVariable Integer id) {
         return ResponseEntity.ok(materialService.getMaterial(id));
     }