diff --git a/README.md b/README.md
index 00d2b990..d5d77c29 100644
--- a/README.md
+++ b/README.md
@@ -32,8 +32,20 @@ Alternatively, Conda may also work:
 
 ```
 conda install -c conda-forge openpivgui
+
 ```
 
+### If you get an error about `np.int` consider this installation workaround:
+
+```
+conda create -n openpivgui python=3.12
+conda activate openpivgui
+pip install git+https://github.com/alexlib/openpiv-python-0.23.8
+pip install openpivgui
+python -m openpivgui.OpenPivGui
+
+````
+
 ## Launching <a id=launching></a>
 
 Launch `OpenPivGui` by executing:
diff --git a/setup.py b/setup.py
index 7e12e2d7..32b7fdfb 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 setuptools.setup(
     name="openpivgui",
     version="0.4.15",
-    install_requires=['OpenPiv', 'pandas'],
+    install_requires=['OpenPiv==0.25.3', 'pandas'],
     author="P. Vennemann and contributors.",
     author_email="vennemann@fh-muenster.de",
     description="A simple GUI for Open PIV.",