diff --git a/setup.py b/setup.py
index 9c35f1a..9d86fcc 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
 
 setup(
     name="pyquafu",
-    version="0.3.3",
+    version="0.3.4",
     author="ssli",
     author_email="ssli@iphy.ac.cn",
     url="https://github.com/ScQ-Cloud/pyquafu",
diff --git a/src/quafu/__init__.py b/src/quafu/__init__.py
index c59855b..47902d9 100644
--- a/src/quafu/__init__.py
+++ b/src/quafu/__init__.py
@@ -8,4 +8,4 @@
 
 
 def get_version():
-    return "0.3.3"
+    return "0.3.4"