diff --git a/pyproject.toml b/pyproject.toml
index 2f3d3ced0f..950cba97dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ authors = [
 ]
 dependencies = [
     "typing-extensions>=4.5.0",
-    "numpy>=1.20.0",
+    "numpy==1.22.0",
     "diskcache>=5.6.1",
     "jinja2>=2.11.3",
 ]