diff --git a/environment.yml b/environment.yml
index 69a7a5a6..7523a8bf 100644
--- a/environment.yml
+++ b/environment.yml
@@ -22,7 +22,7 @@ dependencies:
   - cython
   - pillow
   - scikit-learn
-  - joblib
+  - joblib=1.4.2
   - pip:
     - git+https://github.com/cortex-lab/phy.git
 
diff --git a/requirements.txt b/requirements.txt
index c5094d58..f112ca6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ pyopengl==3.1.6
 requests
 qtconsole
 tqdm
-joblib
+joblib=1.4.2
 click
 mkdocs
 PyQtWebEngine