diff --git a/build.xml b/build.xml
index c90e1ff8..52ee8902 100644
--- a/build.xml
+++ b/build.xml
@@ -383,7 +383,7 @@
         </copy>
         <delete file="${build}/MANIFEST.MF"/>
         <manifest file="${build}/MANIFEST.MF">
-            <attribute name="Specification-Version" value="5.0.0"/>
+            <attribute name="Specification-Version" value="5.0.1"/>
         </manifest>
 
         <jar jarfile="${dist}/lib/metviewer.jar" basedir="${build}" manifest="${build}/MANIFEST.MF">
diff --git a/docs/Users_Guide/installation.rst b/docs/Users_Guide/installation.rst
index 73fdc2b4..d3e8ce54 100644
--- a/docs/Users_Guide/installation.rst
+++ b/docs/Users_Guide/installation.rst
@@ -55,7 +55,7 @@ install the latest version. Install required R packages:
 **Python**: install Python 3.8.6 or higher. Create an environment
 (METviewer_py3.8.6) and install required packages:
 
-* Python 3.10.4
+* Python 3.8.6
 * matplotlib==3.5.2
 * scipy==1.8.1
 * plotly==5.9.0
@@ -88,7 +88,7 @@ install the latest version. Install required R packages:
 
 
 
-**METviewer v4.0.1** -
+**METviewer v5.0.1** -
 clone   `METviewer repository <https://github.com/dtcenter/METviewer>`_
 
    .. code-block:: none
diff --git a/docs/Users_Guide/release-notes.rst b/docs/Users_Guide/release-notes.rst
index 56884a79..824796db 100644
--- a/docs/Users_Guide/release-notes.rst
+++ b/docs/Users_Guide/release-notes.rst
@@ -9,6 +9,15 @@ When applicable, release notes are followed by the GitHub issue number which
 describes the bugfix, enhancement, or new feature:
 https://github.com/dtcenter/METviewer/issues
 
+Version `v5.0.1 <https://github.com/dtcenter/METviewer>`_ release notes (20220130)
+----------------------------------------------------------------------------------
+* New Features:
+* Enhancements:
+* Bugfixes:
+   * Add nco_requirements.txt file. Update Dockerfile to use NCO-approved Python packages(`#414 <https://github.com/dtcenter/METviewer/issues/448>`_)
+* Internal:
+
+
 Version `v5.0.0 <https://github.com/dtcenter/METviewer>`_ release notes (20221209)
 ----------------------------------------------------------------------------------