diff --git a/coderd/database/dump.sql b/coderd/database/dump.sql
index 6cf8c0d4bf..a7c6394b34 100644
--- a/coderd/database/dump.sql
+++ b/coderd/database/dump.sql
@@ -632,6 +632,8 @@ CREATE UNIQUE INDEX users_email_lower_idx ON users USING btree (lower(email)) WH
 
 CREATE UNIQUE INDEX users_username_lower_idx ON users USING btree (lower(username)) WHERE (deleted = false);
 
+CREATE INDEX workspace_agents_resource_id_idx ON workspace_agents USING btree (resource_id);
+
 CREATE INDEX workspace_resources_job_id_idx ON workspace_resources USING btree (job_id);
 
 CREATE UNIQUE INDEX workspaces_owner_id_lower_idx ON workspaces USING btree (owner_id, lower((name)::text)) WHERE (deleted = false);
diff --git a/coderd/database/migrations/000078_workspace_agents_resource_id_idx.down.sql b/coderd/database/migrations/000078_workspace_agents_resource_id_idx.down.sql
new file mode 100644
index 0000000000..b94373858a
--- /dev/null
+++ b/coderd/database/migrations/000078_workspace_agents_resource_id_idx.down.sql
@@ -0,0 +1 @@
+DROP INDEX workspace_agents_resource_id_idx;
diff --git a/coderd/database/migrations/000078_workspace_agents_resource_id_idx.up.sql b/coderd/database/migrations/000078_workspace_agents_resource_id_idx.up.sql
new file mode 100644
index 0000000000..b5dbc2abfd
--- /dev/null
+++ b/coderd/database/migrations/000078_workspace_agents_resource_id_idx.up.sql
@@ -0,0 +1 @@
+CREATE INDEX workspace_agents_resource_id_idx ON workspace_agents USING btree (resource_id);