diff --git a/.changeset/three-parents-love.md b/.changeset/three-parents-love.md
new file mode 100644
index 0000000000..33f13cc218
--- /dev/null
+++ b/.changeset/three-parents-love.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend': patch
+---
+
+Use the non-deprecated form of table.unique in knex
diff --git a/plugins/catalog-backend/migrations/20200511113813_init.js b/plugins/catalog-backend/migrations/20200511113813_init.js
index b89ec57fe3..aa2ff6affa 100644
--- a/plugins/catalog-backend/migrations/20200511113813_init.js
+++ b/plugins/catalog-backend/migrations/20200511113813_init.js
@@ -92,7 +92,9 @@ exports.up = async function up(knex) {
       })
       .alterTable('entities', table => {
         // https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#objectmeta-v1-meta
-        table.unique(['kind', 'name', 'namespace'], 'entities_unique_name');
+        table.unique(['kind', 'name', 'namespace'], {
+          indexName: 'entities_unique_name',
+        });
       })
       //
       // entities_search
diff --git a/plugins/catalog-backend/migrations/20200702153613_entities.js b/plugins/catalog-backend/migrations/20200702153613_entities.js
index 6292063dac..86e0e48e40 100644
--- a/plugins/catalog-backend/migrations/20200702153613_entities.js
+++ b/plugins/catalog-backend/migrations/20200702153613_entities.js
@@ -89,7 +89,9 @@ exports.up = async function up(knex) {
     })
     .alterTable('entities', table => {
       // https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#objectmeta-v1-meta
-      table.unique(['kind', 'name', 'namespace'], 'entities_unique_name');
+      table.unique(['kind', 'name', 'namespace'], {
+        indexName: 'entities_unique_name',
+      });
     });
 
   await knex.schema.raw(`INSERT INTO entities SELECT * FROM tmp_entities`);
@@ -199,7 +201,9 @@ exports.down = async function down(knex) {
     })
     .alterTable('entities', table => {
       // https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#objectmeta-v1-meta
-      table.unique(['kind', 'name', 'namespace'], 'entities_unique_name');
+      table.unique(['kind', 'name', 'namespace'], {
+        indexName: 'entities_unique_name',
+      });
     });
 
   await knex.schema.raw(`INSERT INTO entities SELECT * FROM tmp_entities`);
diff --git a/plugins/catalog-backend/migrations/20201005122705_add_entity_full_name.js b/plugins/catalog-backend/migrations/20201005122705_add_entity_full_name.js
index cd13f610cd..941b8a0a3f 100644
--- a/plugins/catalog-backend/migrations/20201005122705_add_entity_full_name.js
+++ b/plugins/catalog-backend/migrations/20201005122705_add_entity_full_name.js
@@ -39,7 +39,7 @@ exports.up = async function up(knex) {
 
   await knex.schema.alterTable('entities', table => {
     // https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#objectmeta-v1-meta
-    table.unique(['full_name'], 'entities_unique_full_name');
+    table.unique(['full_name'], { indexName: 'entities_unique_full_name' });
     table.dropUnique([], 'entities_unique_name');
   });
 };
@@ -51,7 +51,9 @@ exports.down = async function down(knex) {
   await knex.schema.alterTable('entities', table => {
     // https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#objectmeta-v1-meta
     table.dropUnique([], 'entities_unique_full_name');
-    table.unique(['kind', 'namespace', 'name'], 'entities_unique_name');
+    table.unique(['kind', 'namespace', 'name'], {
+      indexName: 'entities_unique_name',
+    });
   });
 
   await knex.schema.alterTable('entities_search', table => {
diff --git a/plugins/catalog-backend/migrations/20210302150147_refresh_state.js b/plugins/catalog-backend/migrations/20210302150147_refresh_state.js
index db66b46305..da276940fa 100644
--- a/plugins/catalog-backend/migrations/20210302150147_refresh_state.js
+++ b/plugins/catalog-backend/migrations/20210302150147_refresh_state.js
@@ -65,7 +65,9 @@ exports.up = async function up(knex) {
       .dateTime('last_discovery_at') // TODO: timezone or change to epoch-millis or similar
       .notNullable()
       .comment('The last timestamp of which this entity was discovered');
-    table.unique(['entity_ref'], 'refresh_state_entity_ref_uniq');
+    table.unique(['entity_ref'], {
+      indexName: 'refresh_state_entity_ref_uniq',
+    });
     table.index('entity_id', 'refresh_state_entity_id_idx');
     table.index('entity_ref', 'refresh_state_entity_ref_idx');
     table.index('next_update_at', 'refresh_state_next_update_at_idx');