diff --git a/brian_dashboard_manager/grafana/provision.py b/brian_dashboard_manager/grafana/provision.py
index 10ca00d1356eb9a6975ae5b058c8e7b10ce597a1..db1de8ce8240c8815ab703ee4c2f935ac3d78465 100644
--- a/brian_dashboard_manager/grafana/provision.py
+++ b/brian_dashboard_manager/grafana/provision.py
@@ -40,7 +40,7 @@ from brian_dashboard_manager.templating.render import render_dashboard
 
 logger = logging.getLogger(__name__)
 
-MAX_WORKERS = 1
+MAX_WORKERS = 4
 DASHBOARDS = {
     'NREN': {
         'tag': ['customers'],
diff --git a/changelog.md b/changelog.md
index 47e4a3e0027542aa14781f7f1f7287f5c64ec030..65c24fb06e387e5a7df14d6dcdf07cbc593694db 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,7 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
-## [0.24] - 2021-10-12
+## [0.26] - 2021-10-12
+- increase thread pool sizes from 1 to 4
+
+## [0.25] - 2021-10-12
 - POL1-463: bugfixes
 
 ## [0.24] - 2021-10-11
diff --git a/setup.py b/setup.py
index ed0a4bd395b1d0ba226ef1ee2da810ad06191f34..4282b3cd06649b20b3033119970abf983afd5ff5 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='brian-dashboard-manager',
-    version="0.25",
+    version="0.26",
     author='GEANT',
     author_email='swd@geant.org',
     description='',