diff --git a/.appveyor.yml b/.appveyor.yml
index 2c9a4f8588ea61327f2bc6d280f49bd55cf01668..fda2d1ff15a7801c919ed4dbd62cbd141b440d77 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -21,7 +21,7 @@ install:
   # create new environment
   - appveyor-retry conda create --quiet --yes --name ci
         "igwn-auth-utils>=0.1.1"
-        "ligo-segments>=1.0.0"
+        "igwn-segments>=2.0.0"
         "pip"
         "pytest>=6.0"
         "pytest-cov"
diff --git a/debian/control b/debian/control
index 6aa7fcef647ba1ba9e9e03efa01a2e8b4d6456d3..5e2c44def5ae3929316c5b0b7908aee20ef1537d 100644
--- a/debian/control
+++ b/debian/control
@@ -13,7 +13,7 @@ Build-Depends:
  python3-all,
  python3-argparse-manpage,
  python3-igwn-auth-utils (>= 0.3.1),
- python3-ligo-segments,
+ python3-igwn-segments,
  python3-pytest (>= 2.8.0),
  python3-requests-mock,
  python3-setuptools,
@@ -26,7 +26,7 @@ Depends:
  ${misc:Depends},
  ${python3:Depends},
  python3-igwn-auth-utils (>= 0.3.1),
- python3-ligo-segments,
+ python3-igwn-segments,
 Description: GW data discovery Python 3 library
  The DataFind service allows users to query for the location of
  Gravitational-Wave Frame (GWF) files containing data from the
diff --git a/docs/conf.py b/docs/conf.py
index 7ab859922654b4d8f37acdbdfd69cf860fd47cf5..8c4a3de6c4969c9a4d45b6b3ba479d088e886b7b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -44,8 +44,8 @@ intersphinx_mapping = {
         "https://igwn-auth-utils.readthedocs.io/en/stable/",
         None,
     ),
-    "ligo-segments": (
-        "https://lscsoft.docs.ligo.org/ligo-segments/",
+    "igwn-segments": (
+        "https://igwn-segments.readthedocs.io/en/stable/",
         None,
     ),
     "python": (
diff --git a/gwdatafind/__main__.py b/gwdatafind/__main__.py
index ebf7115d013f12ed78a3e01c50dcbab2f8eb3091..1d4daa33e4548bf6303ffc4d3605cc3754e58a94 100644
--- a/gwdatafind/__main__.py
+++ b/gwdatafind/__main__.py
@@ -22,7 +22,7 @@ import argparse
 import re
 import sys
 
-from ligo import segments
+import igwn_segments as segments
 
 from . import (
     __version__,
diff --git a/gwdatafind/http.py b/gwdatafind/http.py
index be88edd5d877b0df9a6903c2bc2f6ac52017efcf..83de621342d37d789ca9c1f4cc63e7a0b07ee4ff 100644
--- a/gwdatafind/http.py
+++ b/gwdatafind/http.py
@@ -27,7 +27,7 @@ from json import loads
 from urllib.error import HTTPError
 from urllib.parse import urlparse
 
-from ligo import segments
+import igwn_segments as segments
 
 from . import api
 from .utils import (
@@ -274,7 +274,7 @@ class HTTPConnection(http_client.HTTPConnection):
 
         Returns
         -------
-        segments : `ligo.segments.segmentlist`
+        segments : `igwn_segments.segmentlist`
             the list of `[start, stop)` intervals for which files are
             available.
         """
diff --git a/gwdatafind/tests/test_http.py b/gwdatafind/tests/test_http.py
index 54323053d846f5a84aaef387f4cfd526b588051e..5a6caadfe56196b40b6453c0ba63e2ef1ad28e6e 100644
--- a/gwdatafind/tests/test_http.py
+++ b/gwdatafind/tests/test_http.py
@@ -23,7 +23,7 @@ from unittest import mock
 from urllib.error import HTTPError
 
 import pytest
-from ligo.segments import (
+from igwn_segments import (
     segment,
     segmentlist,
 )
diff --git a/gwdatafind/tests/test_main.py b/gwdatafind/tests/test_main.py
index 7d7f47a1205bbf740e689e94305c705d80756a13..d9ad87092cd3335bc13fbd1655f0f722d3a90908 100644
--- a/gwdatafind/tests/test_main.py
+++ b/gwdatafind/tests/test_main.py
@@ -24,7 +24,7 @@ from io import StringIO
 from unittest import mock
 
 import pytest
-from ligo.segments import segment
+from igwn_segments import segment
 
 from .. import __main__ as main
 
diff --git a/gwdatafind/tests/test_ui.py b/gwdatafind/tests/test_ui.py
index 9da926aaaa3e9326f277d25e6b851e2648d42b20..4191d41ee7942faf89fd8c46bdabab430890567e 100644
--- a/gwdatafind/tests/test_ui.py
+++ b/gwdatafind/tests/test_ui.py
@@ -19,8 +19,8 @@ import warnings
 from functools import partial
 from unittest import mock
 
+import igwn_segments as segments
 import pytest
-from ligo import segments
 
 from .. import (
     api,
diff --git a/gwdatafind/ui.py b/gwdatafind/ui.py
index 7d0ca71106dafc704a3a83364f6a3d34dace7a89..20aa314e2b991ab238329b77b22d6765d4262348 100644
--- a/gwdatafind/ui.py
+++ b/gwdatafind/ui.py
@@ -27,9 +27,9 @@ from re import compile as compile_regex
 from urllib.parse import urlparse
 from warnings import warn
 
+import igwn_segments as segments
 import requests
 from igwn_auth_utils.requests import get as _get
-from ligo import segments
 
 from . import api
 from .utils import (
diff --git a/gwdatafind/utils.py b/gwdatafind/utils.py
index 7ff95e29d3648a1613f1d6c17940043c1bf76493..8463f8dd33eb4fe95f736590e410f41a7e00b041 100644
--- a/gwdatafind/utils.py
+++ b/gwdatafind/utils.py
@@ -23,7 +23,7 @@ import os
 import warnings
 
 from igwn_auth_utils import x509 as igwn_x509
-from ligo.segments import segment
+from igwn_segments import segment
 
 
 def get_default_host():
@@ -144,7 +144,7 @@ def filename_metadata(filename):
     tag : `str`
         the file tag
 
-    segment : `ligo.segments.segment`
+    segment : `igwn_segments.segment`
         the GPS ``[start, stop)`` interval for this file
 
     Notes
@@ -169,7 +169,7 @@ def file_segment(filename):
 
     Returns
     -------
-    segment : `~ligo.segments.segment`
+    segment : `~igwn_segments.segment`
         the ``[start, stop)`` GPS segment covered by the given file
     """
     return filename_metadata(filename)[2]
diff --git a/pyproject.toml b/pyproject.toml
index 1801bd37cc7dfbf705d07d05d4dcf1e6ec285023..3292a80da654877b868af30180776b352294ab55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ classifiers = [
 requires-python = ">=3.6"
 dependencies = [
   "igwn-auth-utils >=0.3.1",
-  "ligo-segments",
+  "igwn-segments",
 ]
 dynamic = [
   "version",
diff --git a/rpm/python-gwdatafind.spec b/rpm/python-gwdatafind.spec
index f236eab7e0ab49c1d10db84b1229869533985e88..83253fd617bda949d75bee2564536da392bb41d6 100644
--- a/rpm/python-gwdatafind.spec
+++ b/rpm/python-gwdatafind.spec
@@ -24,7 +24,7 @@ BuildRequires: python3dist(wheel)
 # man pages
 BuildRequires: python3dist(argparse-manpage)
 BuildRequires: python3dist(igwn-auth-utils) >= 0.3.1
-BuildRequires: python3dist(ligo-segments)
+BuildRequires: python3dist(igwn-segments)
 
 # testing dependencies
 BuildRequires: man-db
@@ -62,7 +62,7 @@ libraries.
 %package -n python3-%{srcname}
 Summary:  Python %{python3_version} library for the GWDataFind service
 Requires: python3dist(igwn-auth-utils) >= 0.3.1
-Requires: python3dist(ligo-segments)
+Requires: python3dist(igwn-segments)
 %description -n python3-%{srcname}
 The DataFind service allows users to query for the location of
 Gravitational-Wave Frame (GWF) files containing data from the current
@@ -93,7 +93,7 @@ packages = find:
 python_requires = >=3.6
 install_requires =
   igwn-auth-utils >= 0.3.1
-  ligo-segments
+  igwn-segments >= 2.0.0
 [options.entry_points]
 console_scripts =
   gw_data_find = gwdatafind.__main__:main