diff --git a/python-spyder-kernels.spec b/python-spyder-kernels.spec
index 4fd3309..60a8d89 100644
--- a/python-spyder-kernels.spec
+++ b/python-spyder-kernels.spec
@@ -1,6 +1,6 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-spyder-kernels
-Version:       2.5.1
+Version:       2.5.2
 Release:       1mamba
 Summary:       Jupyter kernels for the Spyder console
 Group:         System/Libraries
@@ -8,7 +8,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://pypi.org/project/spyder-kernels/
-Source:        https://pypi.debian.net/spyder-kernels/spyder-kernels-%{version}.tar.gz
+Source:        https://pypi.debian.net/spyder-kernels/spyder_kernels-%{version}.tar.gz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: (python3.11dist(ipython) < 8.17.1 or python3.11dist(ipython) > 8.17.1)
@@ -31,7 +31,7 @@ Obsoletes:     python-spyder-kernels-py310 <= 2.5.0-1mamba
 %endif
 
 %prep
-%setup -q -n spyder-kernels-%{version}
+%setup -q -n spyder_kernels-%{version}
 
 %build
 CFLAGS="%{optflags}" %{__python} setup.py build
@@ -53,6 +53,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/%{pkgname}-%{version}-py*.egg-info/*
 
 %changelog
+* Fri Jun 14 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.2-1mamba
+- update to 2.5.2
+
 * Thu Apr 11 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.1-1mamba
 - update to 2.5.1