diff --git a/plugins/modules/gpg_keypair.py b/plugins/modules/gpg_keypair.py
index e656bea0..7318d1c1 100644
--- a/plugins/modules/gpg_keypair.py
+++ b/plugins/modules/gpg_keypair.py
@@ -18,6 +18,7 @@ description:
     - "This module allows one to generate or delete GPG private and public keys using GnuPG (gpg)."
 requirements:
     - gpg >= 2.1
+    - python-dateutil
 extends_documentation_fragment:
   - community.crypto.attributes
 attributes:
@@ -367,7 +368,7 @@ def generate_keypair(module, params, matching_keys, check_mode):
 def run_module(module, params, check_mode=False):
     if params['expire_date']:
         try:
-            dp.parse(params['expire_date'])
+            dp.isoparse(params['expire_date'])
         except ValueError:
             if not (params['expire_date'].isnumeric() or (params['expire_date'][:-1].isnumeric() and params['expire_date'][-1] in ['w', 'm', 'y'])):
                 module.fail_json('Invalid format for expire date')
diff --git a/tests/integration/targets/gpg_keypair/meta/main.yaml b/tests/integration/targets/gpg_keypair/meta/main.yaml
index 5d6aaab6..26948f2d 100644
--- a/tests/integration/targets/gpg_keypair/meta/main.yaml
+++ b/tests/integration/targets/gpg_keypair/meta/main.yaml
@@ -5,3 +5,4 @@
 
 dependencies:
   - setup_gnupg
+  - setup_python_dateutil
diff --git a/tests/integration/targets/setup_python_dateutil/meta/main.yaml b/tests/integration/targets/setup_python_dateutil/meta/main.yaml
new file mode 100644
index 00000000..5e0e7d8f
--- /dev/null
+++ b/tests/integration/targets/setup_python_dateutil/meta/main.yaml
@@ -0,0 +1,9 @@
+---
+# Copyright (c) 2024, Austin Lucas Lake <53884490+austinlucaslake@users.noreply.github.com>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+dependencies:
+  - setup_python_info
+  - setup_remote_constraints
+  - setup_pkg_mgr
diff --git a/tests/integration/targets/setup_python_dateutil/tasks/main.yaml b/tests/integration/targets/setup_python_dateutil/tasks/main.yaml
new file mode 100644
index 00000000..5ffd5434
--- /dev/null
+++ b/tests/integration/targets/setup_python_dateutil/tasks/main.yaml
@@ -0,0 +1,16 @@
+---
+# Copyright (c) 2024, Austin Lucas Lake <53884490+austinlucaslake@users.noreply.github.com>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+####################################################################
+# WARNING: These are designed specifically for Ansible tests       #
+# and should not be used as examples of how to write Ansible roles #
+####################################################################
+
+- name: Install python-dateutil (PyPi)
+  become: true
+  ansible.builtin.pip:
+    name: python-dateutil
+    state: 'latest'
+    extra_args: "-c {{ remote_constraints }}"