diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index fb5a933..7229e34 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -43,6 +43,6 @@ jobs:
           always() &&
           (github.event_name != 'pull_request' ||
           github.event.pull_request.head.repo.full_name == github.repository)
-        uses: github/codeql-action/upload-sarif@95e58e9a2cdfd71adc6e0353d5c52f41a045d225 # v4
+        uses: github/codeql-action/upload-sarif@e46ed2cbd01164d986452f91f178727624ae40d7 # v4
         with:
           sarif_file: zizmor.sarif
diff --git a/pyproject.toml b/pyproject.toml
index d2351a0..f788463 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ test = [
 ]
 typing = [
     "pytask-parallel",
-    "ty>=0.0.8",
+    "ty>=0.0.8,<0.0.34",
     {include-group = "coiled"},
     {include-group = "dask"},
 ]
diff --git a/src/pytask_parallel/execute.py b/src/pytask_parallel/execute.py
index 3001d69..52cc51d 100644
--- a/src/pytask_parallel/execute.py
+++ b/src/pytask_parallel/execute.py
@@ -44,7 +44,7 @@
 def _get_task_from_dag(session: Session, task_name: str) -> PTask:
     """Get a task from the pre- and post-pytask 0.6 DAG representations for compat."""
     node = session.dag.nodes[task_name]
-    task = node["task"] if isinstance(node, dict) else node
+    task = cast("Any", node)["task"] if isinstance(node, dict) else node
 
     if not isinstance(task, PTask):
         msg = f"Expected {task_name!r} to resolve to a task."