diff --git a/setup.py b/setup.py
index aba186ca..01df9e5e 100644
--- a/setup.py
+++ b/setup.py
@@ -93,7 +93,7 @@ def relative(lst, base=''):
     install_requires=['cflib>=0.1.26',
                       'setuptools',
                       'appdirs~=1.4.0',
-                      'pyzmq~=25.0',
+                      'pyzmq~=26.0',
                       'pyqtgraph~=0.13',
                       'PyYAML~=6.0.1',
                       'numpy~=1.20',