diff --git a/src/commands/apply.ts b/src/commands/apply.ts
index efbd5a8..b6eddf2 100644
--- a/src/commands/apply.ts
+++ b/src/commands/apply.ts
@@ -45,6 +45,13 @@ export default class Apply extends Command {
       },
     });
 
+    this.services.set('p::role::constants', {
+      description: 'Pre-approval for Constants role assignment.',
+      type: 'SOFT',
+      url: 'https://eds.libraryofcode.org/roles/preconstants',
+      validation: (member: Member) => !member.roles.includes('511771731891847168'),
+    });
+
     this.services.set('p::cs::t2', {
       description: 'Pre-approval for Tier 2.',
       type: 'SOFT',