diff --git a/internal/database/migrations/000003_create_workouts.up.sql b/internal/database/migrations/000003_create_workouts.up.sql
index 50347b7..1e3b8fc 100644
--- a/internal/database/migrations/000003_create_workouts.up.sql
+++ b/internal/database/migrations/000003_create_workouts.up.sql
@@ -47,6 +47,7 @@ CREATE TABLE template_exercises (
     target_reps SMALLINT,
     target_seconds SMALLINT,
     notes TEXT,
+    modified_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
 
     PRIMARY KEY (template_id, exercise_id),