diff --git a/pyproject.toml b/pyproject.toml
index cb6e9d06..307e69ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ dependencies = [
     "brainstate>=0.5.2",
     "brainunit",
     "brainevent>=0.1.2",
-    "brainpy.state",
+    "brainpy>=2.9.0",
     "braintools",
 ]
 dynamic = ["version"]
diff --git a/requirements.txt b/requirements.txt
index 2f6312cf..97796923 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ numpy
 brainstate>=0.5.2
 brainunit
 brainevent>=0.1.2
-brainpy-state
+brainpy>=2.9.0
 braintools