diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index f22b9a6502..ce703a68a7 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -12,7 +12,7 @@ dependencies:
 - numpy =1.26.0
 - pandas =2.1.1
 - pint =0.22
-- psutil =5.9.6
+- psutil =5.9.5
 - pyfileindex =0.0.12
 - pysqa =0.1.3
 - pytables =3.9.1
diff --git a/setup.py b/setup.py
index bc7dd72f56..2acb348a52 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@
         'numpy==1.26.0',
         'pandas==2.1.1',
         'pint==0.22',
-        'psutil==5.9.6',
+        'psutil==5.9.5',
         'pyfileindex==0.0.12',
         'pysqa==0.1.3',
         'sqlalchemy==2.0.21',