diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0a460a4a..6949f0b5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -86,7 +86,7 @@ jobs:
         fi
 
     - name: Save Wheel Package as Artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: wheelhouse
         path: wheelhouse/*.whl
@@ -117,7 +117,7 @@ jobs:
           mv dist/*.tar.gz dist_sources/  # 移动生成的源码包到新的目录
 
       - name: Upload source distribution as artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: source-distribution
           path: dist_sources/*
diff --git a/UQPyL/__init__.py b/UQPyL/__init__.py
index 7e5b6b42..f818b749 100644
--- a/UQPyL/__init__.py
+++ b/UQPyL/__init__.py
@@ -1,6 +1,6 @@
 from . import problems, surrogates, optimization, sensibility, DoE, utility
 
-__version__ = "2.0.5"
+__version__ = "2.0.6"
 __author__ = "wmtSky"
 
 __all__=[
diff --git a/pyproject.toml b/pyproject.toml
index e0d70fc4..61abff38 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "UQPyL"
-version = "2.0.5"
+version = "2.0.6"
 authors = [
     {name = "wmtSky", email = "wmtsky@hhu.edu.cn"}
 ]
@@ -21,9 +21,9 @@ readme = "README.md"
 dependencies = [
   "numpy",
   "scipy",
+  "prettytable",
 ]
 classifiers = [
-    "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
diff --git a/setup.py b/setup.py
index 29dba614..c08b73ac 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
 setup(
     name="UQPyL",
     author="wmtSky",
-    version="2.0.5",
+    version="2.0.6",
     author_email="wmtsky@hhu.edu.cn",
     ext_modules=extensions,  
     packages=find_packages(),