diff --git a/.workflows/release-work-after b/.workflows/release-work-after
index b6f60f2..d69e422 100755
--- a/.workflows/release-work-after
+++ b/.workflows/release-work-after
@@ -8,7 +8,7 @@ COMMIT=$(git log --pretty=%H -1)
 
 if type brew >/dev/null 2>&1; then
   echo "Updating Homebrew formulae..."
-  brew bump-formula-pr --no-audit --tag=${TAG} --revision=${COMMIT} aws-creds
+  brew bump-formula-pr --no-audit --tag="${TAG}" --revision="${COMMIT}" aws-creds
 else
   echo "'brew' binary is not available."
   echo "Please make a manual formulae update."
@@ -22,6 +22,7 @@ Instructions:
 MESSAGE
 fi
 # add GitHub release
+# shellcheck disable=SC2046 # Quote this to prevent word splitt...
 git-elegant show-release-notes smart $(git tag | tail -2 | head -1) $(git tag | tail -1) | pbcopy
 echo "Release notes are in the clipboard."
 sleep 2
diff --git a/.workflows/release-work-ahead b/.workflows/release-work-ahead
new file mode 100755
index 0000000..b2cf18e
--- /dev/null
+++ b/.workflows/release-work-ahead
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -o errexit
+set -o pipefail
+cd "$(git rev-parse --show-toplevel)"
+# prepare
+git checkout main
+git pull --tags
+# deside on version
+# shellcheck disable=SC2046 # Quote this to prevent word splitt...
+latest_tag=$(git describe --tags $(git rev-list --tags --max-count=1))
+echo "Commit history since the '${latest_tag}' tag:"
+git log "${latest_tag}"..HEAD --oneline
+read -r -p "What is the next version? " new_version
+if [[ -z ${new_version} ]]; then
+  echo "No version provided, exiting..."
+  exit 1
+fi
+# update version in the script
+if [[ $OSTYPE == "darwin"* ]]; then
+  # macOS system
+  sed -i '' "s/__version__ = .*/__version__ = \"$new_version\"/" aws-creds.py
+else
+  sed -i "s/__version__ = .*/__version__ = \"$new_version\"/" aws-creds.py
+fi
+git commit --interactive \
+  --message "Bump program version to ${new_version}" \
+  --message "The $(${new_version}) is set as a version for the next release." \
+  --message "This commit was created by the release script."
diff --git a/.workflows/save-work-ahead b/.workflows/save-work-ahead
index a1c507e..448d42b 100755
--- a/.workflows/save-work-ahead
+++ b/.workflows/save-work-ahead
@@ -11,4 +11,16 @@ ruff check --config line-length=120 --fix aws-creds.py ||
 ruff format --config line-length=120 aws-creds.py
 
 echo "Verifying 'install.sh'..."
-cat install.sh | INSTALL_DIR=.install bash
+INSTALL_DIR=.install bash <install.sh
+
+echo "Update __version__ in 'aws-creds.py'..."
+# shellcheck disable=SC2046 # Quote this to prevent word splitt...
+latest_tag=$(git describe --tags $(git rev-list --tags --max-count=1))
+new_version="${latest_tag}+$(date "+%Y%m%d-%H%M%S")"
+if [[ $OSTYPE == "darwin"* ]]; then
+  # macOS system
+  sed -i '' "s/__version__ = .*/__version__ = \"$new_version\"/" aws-creds.py
+else
+  sed -i "s/__version__ = .*/__version__ = \"$new_version\"/" aws-creds.py
+fi
+python aws-creds.py --version
diff --git a/README.md b/README.md
index 374ec53..6b312aa 100644
--- a/README.md
+++ b/README.md
@@ -46,12 +46,14 @@ For Brew users, just run `brew install bees-hive/hive/aws-creds`.
 ### `aws-creds`
 ```shell
 ~ aws-creds --help
-usage: aws-creds [-h] {describe-creds,scan-local,scan-ic,session-ic,session-access-key} ...
+usage: aws-creds [-h] [--version]
+                 {describe-creds,scan-local,scan-ic,session-ic,session-access-key} ...
 
 Painless CLI authentication using various AWS identities.
 
 options:
   -h, --help            show this help message and exit
+  --version             show program's version number and exit
 
 Commands:
   {describe-creds,scan-local,scan-ic,session-ic,session-access-key}
diff --git a/aws-creds.py b/aws-creds.py
index 5d095a3..d4ef189 100644
--- a/aws-creds.py
+++ b/aws-creds.py
@@ -8,6 +8,7 @@
 import sys
 from typing import Dict, Optional, Literal, TextIO
 
+__version__ = "0.6.0+20240625-113053"
 _prog = Path(__file__).name.split(".")[0]
 _dependencies_home = Path.home().joinpath(".cache").joinpath(_prog)
 _clear_session_function_name = f"{_prog}-clear-session"
@@ -565,6 +566,7 @@ def main():
         prog=_prog,
         formatter_class=lambda prog: HelpFormatter(prog, width=100),
     )
+    parser.add_argument("--version", action="version", version=f"{_prog} {__version__}")
     subparsers = parser.add_subparsers(title="Commands", dest="subcommand")
 
     subparsers.add_parser(