diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1c5a4d886a..3f5a23ae70 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -122,7 +122,7 @@ repos:
         pass_filenames: false
         files: ^docs/
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: "v1.19.1"
+    rev: "v1.20.0"
     hooks:
       - id: mypy
         name: mypy-python
diff --git a/cosmos/airflow/graph.py b/cosmos/airflow/graph.py
index 73de6c5748..b2ad51f1f9 100644
--- a/cosmos/airflow/graph.py
+++ b/cosmos/airflow/graph.py
@@ -664,7 +664,7 @@ def _add_dbt_setup_async_task(
             else [task_or_taskgroup]
         )
         for task in node_tasks:
-            task.producer_task_id = setup_airflow_task.task_id  # type: ignore[attr-defined]
+            task.producer_task_id = setup_airflow_task.task_id  # type: ignore[union-attr]
             if not task.upstream_list:
                 setup_airflow_task >> task
 
@@ -742,7 +742,7 @@ def _add_watcher_dependencies(
             else [task_or_taskgroup]
         )
         for task in node_tasks:
-            task.producer_task_id = producer_airflow_task.task_id  # type: ignore[attr-defined]
+            task.producer_task_id = producer_airflow_task.task_id  # type: ignore[union-attr]
 
         # Make the producer task to be the parent of the root dbt nodes, without blocking them from sensing XCom
         # We only managed to do this in the case of DbtDag.
@@ -761,7 +761,7 @@ def _add_watcher_dependencies(
                 else:
                     always_run_tasks = [task_or_taskgroup]
                 for task in always_run_tasks:
-                    task.trigger_rule = task_args.get("trigger_rule", "always")  # type: ignore[attr-defined]
+                    task.trigger_rule = task_args.get("trigger_rule", "always")  # type: ignore[union-attr]
 
 
 def should_create_detached_nodes(render_config: RenderConfig) -> bool: