diff --git a/requirements_dev.txt b/requirements_dev.txt
index f15ba550..ff59ecc9 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -32,7 +32,7 @@ pydata-sphinx-theme>=0.13.3
 pydantic<2
 pytest
 qutip
-sax==0.8.8
+sax==0.10.1
 setuptools>=40.8.0
 sphinx>=4,<7
 sphinx-autoapi
diff --git a/setup.py b/setup.py
index aaec6550..e51003af 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
     "pandas",
     "pydantic<2",  # Project requirements to maintain compatibility.
     "qutip",
-    "sax==0.8.8",  # Pinned for pydantic <v2 compatibility.
+    "sax==0.10.1",  # Pinned for pydantic <v2 compatibility.
     "thewalrus",
     "vlsir>=4",
 ]