diff --git a/arize_tracing/README.md b/arize_tracing/README.md
index 97d96ba5..2d0c94ff 100644
--- a/arize_tracing/README.md
+++ b/arize_tracing/README.md
@@ -168,7 +168,7 @@ temporal workflow reset --workflow-id <workflow id> --type FirstWorkflowTask --r
 uv run verify_trace.py --workflow-id <workflow id> --expect-runs 2
 ```
 
-The reset case currently needs temporalio 1.36.0 exactly (see PR #420).
+The reset case needs temporalio 1.36.0 exactly (see PR #420).
 
 ![Activity retry attempts in Phoenix](phoenix-retry-attempts.png)
 
diff --git a/arize_tracing/pyproject.toml b/arize_tracing/pyproject.toml
index 8ac1453c..02a9290f 100644
--- a/arize_tracing/pyproject.toml
+++ b/arize_tracing/pyproject.toml
@@ -3,10 +3,9 @@ name = "temporalio-samples-arize-tracing"
 version = "0.1.0"
 requires-python = ">=3.11"
 dependencies = [
-    # Pinned: 1.36.0 applies workflow activation jobs as a single batch, which
-    # keeps a reset's reapplied update from reusing a span ID of the original
-    # run. 1.36.1 (temporarily?) undoes that, so we're pinning to 1.36.0
-    # explicitly until a future release resolves this issue one way or another.
+    # 1.36.0 applies workflow activation jobs as a single batch, which keeps a
+    # reset's reapplied update from reusing a span ID of the original run.
+    # Later releases do not do this by default (temporalio/sdk-python#2121).
     "temporalio[opentelemetry]==1.36.0",
     # 1.1.0 fixes span parenting when one worker runs both workflows and
     # activities; its openinference extra brings the Agents SDK instrumentation.