diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8288a47..1353fbf 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,8 @@
+2.3.5
+=====
+* Upgrade spur version to 0.3.23, so spurplus can install with paramiko 3.x.
+
+
 2.3.4
 =====
 * Added support for Python 3.7 and 3.8, respectively.
diff --git a/setup.py b/setup.py
index 79235cd..c5694ac 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 
 setup(
     name='spurplus',
-    version='2.3.4',  # Do not forget to update the changelog!
+    version='2.3.5',  # Do not forget to update the changelog!
     description='Manage remote machines and file operations over SSH.',
     long_description=long_description,
     url='http://github.com/Parquery/spurplus',
@@ -34,7 +34,7 @@
     license='License :: OSI Approved :: MIT License',
     keywords='ssh sftp spur paramiko execute remote commands modify files',
     packages=find_packages(exclude=['tests']),
-    install_requires=['spur==0.3.22', 'typing_extensions>=3.6.2.1', 'icontract>=2.0.1,<3', 'temppathlib>=1.0.3,<2'],
+    install_requires=['spur==0.3.23', 'typing_extensions>=3.6.2.1', 'icontract>=2.0.1,<3', 'temppathlib>=1.0.3,<2'],
     extras_require={
         'dev':
         ['mypy==0.790', 'pylint==2.6.0', 'yapf==0.20.2', 'tox>=3.0.0', 'coverage>=4.5.1,<5', 'pydocstyle>=2.1.1,<3']
diff --git a/version.txt b/version.txt
index 0bee604..cc6c9a4 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.3.3
+2.3.5