diff --git a/docs/conf.py b/docs/conf.py
index b9bfbb9..1232cfc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -27,7 +27,7 @@ sys.path.append(os.path.abspath("./ABL/"))
 project = "ABL"
 slug = re.sub(r"\W+", "-", project.lower())
 project = "ABL-Package"
-copyright = "2023, Author"
+copyright = "LAMDA, 2024"
 author = "Author"
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index 9355614..534a288 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "abl"
-version = "0.1.4"
+version = "0.1.5"
 authors = [
   { name="LAMDA 2024" },
 ]
@@ -26,7 +26,7 @@ classifiers = [
 ]
 dependencies = [
     "numpy>=1.15.0",
-    "pyswip>=0.2.9",
+    "pyswip==0.2.9",
     "torch>=1.11.0",
     "torchvision>=0.12.0",
     "zoopt>=0.3.0",
diff --git a/requirements.txt b/requirements.txt
index 6c27923..8fd3a3f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 numpy>=1.15.0,
-pyswip>=0.2.9,
+pyswip==0.2.9,
 torch>=1.11.0,
 torchvision>=0.12.0,
 zoopt>=0.3.0,