diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6adb6e89..d0ef11b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,8 @@ and uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 -->
 ------
 ## [v7.1.4](https://github.com/asfadmin/Discovery-asf_search/compare/v7.1.3...v7.1.4)
+### Changed
+- replaces `ciso8601` package with `dateutil` for package wheel compatibility. `ciso8601` used when installed via `extra` dependency
 ### Fixed
 - Fixes syntax warning with escaped slash in `translate.py`
 
diff --git a/asf_search/CMR/translate.py b/asf_search/CMR/translate.py
index 7f6973f5..2c645f5b 100644
--- a/asf_search/CMR/translate.py
+++ b/asf_search/CMR/translate.py
@@ -9,9 +9,13 @@
 from shapely.geometry.base import BaseGeometry
 from .field_map import field_map
 from .datasets import collections_per_platform
-import ciso8601
 import logging
 
+try:
+    from ciso8601 import parse_datetime
+except ImportError:
+    from dateutil.parser import parse as parse_datetime
+
 
 def translate_opts(opts: ASFSearchOptions) -> List:
     # Need to add params which ASFSearchOptions cant support (like temporal),
@@ -158,7 +162,7 @@ def try_parse_date(value: str) -> Optional[str]:
         return None
 
     try:
-        date = ciso8601.parse_datetime(value)
+        date = parse_datetime(value)
     except ValueError:
         return None
     
diff --git a/asf_search/baseline/calc.py b/asf_search/baseline/calc.py
index faa6442e..6e861d60 100644
--- a/asf_search/baseline/calc.py
+++ b/asf_search/baseline/calc.py
@@ -1,10 +1,14 @@
+from asf_search import ASFProduct
 from math import sqrt, cos, sin, radians
 from typing import List
 
 import numpy as np
-from ciso8601 import parse_datetime
 
-from asf_search import ASFProduct
+try:
+    from ciso8601 import parse_datetime
+except ImportError:
+    from dateutil.parser import parse as parse_datetime
+
 # WGS84 constants
 a = 6378137
 f = pow((1.0 - 1 / 298.257224), 2)
diff --git a/asf_search/baseline/stack.py b/asf_search/baseline/stack.py
index c443adae..4a686f7b 100644
--- a/asf_search/baseline/stack.py
+++ b/asf_search/baseline/stack.py
@@ -1,10 +1,12 @@
+from asf_search import ASFProduct, ASFStackableProduct, ASFSearchResults
 from typing import Tuple, List
-from ciso8601 import parse_datetime
 import pytz
-
 from .calc import calculate_perpendicular_baselines
-from asf_search import ASFProduct, ASFStackableProduct, ASFSearchResults
 
+try:
+    from ciso8601 import parse_datetime
+except ImportError:
+    from dateutil.parser import parse as parse_datetime
 
 def get_baseline_from_stack(reference: ASFProduct, stack: ASFSearchResults) -> Tuple[ASFSearchResults, List[dict]]:
     warnings = []
diff --git a/setup.py b/setup.py
index 36d31fc8..dff08b72 100644
--- a/setup.py
+++ b/setup.py
@@ -8,8 +8,8 @@
     "importlib_metadata",
     "numpy",
     "dateparser",
+    "python-dateutil",
     "tenacity == 8.2.2",
-    "ciso8601"
 ]
 
 test_requirements = [
@@ -25,7 +25,8 @@
 ]
 
 extra_requirements = [
-    "remotezip>=0.10.0"
+    "remotezip>=0.10.0",
+    "ciso8601",
 ]