diff --git a/requirements-macos.txt b/requirements-macos.txt
index 71b35cfc9..f67f31ddb 100644
--- a/requirements-macos.txt
+++ b/requirements-macos.txt
@@ -1,3 +1,4 @@
+python-dateutil==2.8.1
 discid==1.2.0
 markdown
 mutagen==1.44.0
diff --git a/requirements-win.txt b/requirements-win.txt
index 3d6ae5d63..39d8d646c 100644
--- a/requirements-win.txt
+++ b/requirements-win.txt
@@ -1,3 +1,4 @@
+python-dateutil==2.8.1
 discid==1.2.0
 markdown
 mutagen==1.44.0
diff --git a/requirements.txt b/requirements.txt
index 133f96318..b2bec21b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
+python-dateutil>=2.8.1
 discid
 markdown
 mutagen>=1.37
 PyQt5>=5.7.1
-dateutils==2.8.1
diff --git a/setup.py b/setup.py
index 384a40825..fb1ed1b72 100644
--- a/setup.py
+++ b/setup.py
@@ -769,7 +769,7 @@ args = {
         'patch_version': picard_patch_version,
     },
     'scripts': ['scripts/' + PACKAGE_NAME],
-    'install_requires': ['PyQt5', 'mutagen'],
+    'install_requires': ['PyQt5', 'mutagen', 'python-dateutil'],
     'classifiers': [
         'License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)',
         'Development Status :: 5 - Production/Stable',