diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 6128f9b..321f823 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: "3.x"
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index fe35e4f..c4dbdcf 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: |
             3.10
@@ -14,7 +14,7 @@ jobs:
             3.12
       - name: Set up pip cache
         if: runner.os == 'Linux'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}
diff --git a/src/markitdown/__main__.py b/src/markitdown/__main__.py
index 3193ae7..b6cf963 100644
--- a/src/markitdown/__main__.py
+++ b/src/markitdown/__main__.py
@@ -1,33 +1,35 @@
 # SPDX-FileCopyrightText: 2024-present Adam Fourney <adamfo@microsoft.com>
 #
 # SPDX-License-Identifier: MIT
-import sys
 import argparse
+import sys
 from textwrap import dedent
+from .__about__ import __version__
 from ._markitdown import MarkItDown, DocumentConverterResult
 
 
 def main():
     parser = argparse.ArgumentParser(
         description="Convert various file formats to markdown.",
+        prog="markitdown",
         formatter_class=argparse.RawDescriptionHelpFormatter,
         usage=dedent(
             """
-            SYNTAX: 
-                
+            SYNTAX:
+
                 markitdown <OPTIONAL: FILENAME>
                 If FILENAME is empty, markitdown reads from stdin.
-            
+
             EXAMPLE:
-                
+
                 markitdown example.pdf
-                
+
                 OR
-            
+
                 cat example.pdf | markitdown
-            
-                OR 
-            
+
+                OR
+
                 markitdown < example.pdf
                 
                 OR to save to a file use
@@ -41,6 +43,14 @@ def main():
         ).strip(),
     )
 
+    parser.add_argument(
+        "-v",
+        "--version",
+        action="version",
+        version=f"%(prog)s {__version__}",
+        help="show the version number and exit",
+    )
+
     parser.add_argument("filename", nargs="?")
     parser.add_argument(
         "-o",