diff --git a/pyproject.toml b/pyproject.toml
index 59cb4de..8333861 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
     "jax>=0.4.23",
     "numpy>=1.25.2",
     "ordered_set>=4.1.0",
-    "treescope>=0.1.3",
+    "treescope>=0.1.9",
     "typing_extensions>=4.2",
 ]
 
diff --git a/tests/treescope/ndarray_adapters_test.py b/tests/treescope/ndarray_adapters_test.py
index e2bd610..8ef7751 100644
--- a/tests/treescope/ndarray_adapters_test.py
+++ b/tests/treescope/ndarray_adapters_test.py
@@ -150,7 +150,9 @@ def test_adapter_positional_numpy_consistency(self, array_type, dtype):
         summary_info_np = np_adapter.get_array_summary(array_np, fast=True)
         summary_info = cur_adapter.get_array_summary(array, fast=True)
         summary_info_np = (
-            summary_info_np.replace("(19, 23)", "(19, 23 |)")
+            treescope.lowering.render_to_text_as_root(summary_info_np).replace(
+                "(19, 23)", "(19, 23 |)"
+            )
             + " (wrapping jax.Array)"
         )
         self.assertEqual(
diff --git a/uv.lock b/uv.lock
index ca3eff5..93d4d9a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2208,7 +2208,7 @@ requires-dist = [
     { name = "sphinxcontrib-katex", marker = "extra == 'docs'" },
     { name = "torch", marker = "extra == 'extras'" },
     { name = "transformers", marker = "extra == 'extras'", specifier = ">=4.41.2" },
-    { name = "treescope", specifier = ">=0.1.3" },
+    { name = "treescope", specifier = ">=0.1.9" },
     { name = "typing-extensions", specifier = ">=4.2" },
 ]
 
@@ -3530,14 +3530,14 @@ wheels = [
 
 [[package]]
 name = "treescope"
-version = "0.1.7"
+version = "0.1.9"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "numpy" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/40/34/8ad5475c26837ca400c77951bcc0788b5f291d1509ae2eda5f97b042c24a/treescope-0.1.7.tar.gz", hash = "sha256:2c82ecb633f18d50e5809dd473703cf05aa074a4f3d1add74de7cf7ccdf81ae3", size = 530052 }
+sdist = { url = "https://files.pythonhosted.org/packages/26/27/80ad254da167e0055d5679aefd224ab08844a4cd55aeee7ef72c999d5fc6/treescope-0.1.9.tar.gz", hash = "sha256:ba6cdbdc9c5b52691d5f3bb4c5d5c7daa5627119acac8640b46d37e6aabe63a6", size = 544385 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/59/7d/f6da2b223749c58ec8ff95c87319196765fed05bd44dd86fb9bc4bf35f77/treescope-0.1.7-py3-none-any.whl", hash = "sha256:14e6527d4bfe6770ac9cbb8058e49b6685444d7cd0d3f85fd10c42491848b102", size = 175566 },
+    { url = "https://files.pythonhosted.org/packages/e4/09/b7e7bc5f21313d227e4fb98d2037646457ec06746327c5dd8ffed75e41e1/treescope-0.1.9-py3-none-any.whl", hash = "sha256:68677013a9f0228212fccf835f3fb037be07ae8b4c5f6f58eefab11198f83cf7", size = 182162 },
 ]
 
 [[package]]