diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 73e1b5cb..c6fc2da3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,8 +43,6 @@ jobs:
           IRODS_ICAT_DBPASS: postgres
           IRODS_ZONE_NAME: sodarZone
           NO_WAIT: 1
-        options: >-
-          --hostname "irods"
         ports:
           - 4488:1247
     env:
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a4f8a73c..8ac69557 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -41,7 +41,7 @@ Changed
     - Unify base test class naming (#2001)
     - Update ``Dockerfile`` for v1.0 upgrades (#2003, #2004)
     - Upgrade to iRODS v4.3.3 in CI (#1815)
-    - Upgrade to python-irodsclient v2.1.0 (#2007)
+    - Upgrade to python-irodsclient v2.2.0 (#2007, #2023)
     - Upgrade minimum supported iRODS version to v4.3.3 (#1815, #2007)
     - Use constants for timeline event status types (#2010)
 - **Irodsbackend**
diff --git a/docs_manual/source/dev_install.rst b/docs_manual/source/dev_install.rst
index 2560c4cf..0d35cb27 100644
--- a/docs_manual/source/dev_install.rst
+++ b/docs_manual/source/dev_install.rst
@@ -328,13 +328,6 @@ You can run the SODAR Django server tests using the following command:
 In addition to unit tests, this will run tests against the test iRODS server
 running in the Docker Compose network.
 
-.. note::
-
-    If the current dev branch uses ``python-irodsclient`` between versions 1.1.9
-    and 2.1.0, you will have to add the line ``127.0.0.1 irods irods-test`` into
-    your ``/etc/hosts`` file. Otherwise functionality and tests involving
-    opening files in iRODS will fail.
-
 For testing the Sample Sheets Vue app, run the following command:
 
 .. code-block:: bash
diff --git a/docs_manual/source/sodar_release_notes.rst b/docs_manual/source/sodar_release_notes.rst
index 0a8e9578..85194953 100644
--- a/docs_manual/source/sodar_release_notes.rst
+++ b/docs_manual/source/sodar_release_notes.rst
@@ -23,7 +23,7 @@ Release for SODAR Core v1.0 upgrade, iRODS v4.3 upgrade and feature updates.
 - Update REST API versioning
 - Update REST API views for OpenAPI support
 - Upgrade to Postgres v16
-- Upgrade to python-irodsclient v2.1.0
+- Upgrade to python-irodsclient v2.2.0
 - Upgrade to SODAR Core v1.0.2
 - SODAR Core v1.0 updates: OIDC auth support, new REST API versioning,
   owner/delegate remote sync controls, etc
diff --git a/requirements/base.txt b/requirements/base.txt
index 6b0f7beb..ad28e737 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -91,7 +91,7 @@ altamisa==0.2.9
 # -e git+https://github.com/bihealth/altamisa.git@f6de23aa6073d446f7c49ede0af7fa8729992209#egg=altamisa
 
 # Python iRODS client
-python-irodsclient==2.1.0
+python-irodsclient==2.2.0
 
 # XML generating
 lxml==4.9.1