diff --git a/.github/workflows/python-test-package.yml b/.github/workflows/python-test-package.yml
index b288537..0abc614 100644
--- a/.github/workflows/python-test-package.yml
+++ b/.github/workflows/python-test-package.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        gammapy-version: ["1.1", "1.2", "1.3", "2.0"]
+        gammapy-version: ["1.1", "1.2", "1.3", "2.0", "2.1"]
         python-version: ["3.9", "3.11", "3.12", "3.13"]
         exclude:
           - gammapy-version: 1.1
@@ -34,6 +34,8 @@ jobs:
             python-version: 3.13
           - gammapy-version: 2.0
             python-version: 3.9
+          - gammapy-version: 2.1
+            python-version: 3.9
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
diff --git a/setup.py b/setup.py
index f8c22e8..3a61961 100644
--- a/setup.py
+++ b/setup.py
@@ -16,12 +16,12 @@
     long_description=long_description,
     long_description_content_type='text/markdown',
     install_requires=[
-        'gammapy>=1.1,<2.1',
-        'numpy<2.4',
-        'scipy<1.17',
+        'gammapy>=1.1,<2.2',
+        'numpy<2.5',
+        'scipy<1.18',
         'iminuit>=2.0,<3.0',
         'astropy>=4.0,<8.0',
-        'regions>=0.7,<0.11'
+        'regions>=0.7,<0.12'
     ],
     package_data={
             'baccmod': [
diff --git a/test/integration_test.py b/test/integration_test.py
index 13572d9..f2d1857 100644
--- a/test/integration_test.py
+++ b/test/integration_test.py
@@ -50,6 +50,7 @@ class TestIntegrationClass:
     relative_tolerance = 1e-3
     #TODO when issue with spatial fit is resolved, need to be lowered
     relative_tolerance_fit_method = 5e-2
+    relative_tolerance_normalisation = 5e-3
 
     def _print_model_precision(self, background_model, reference):
         mask = reference.data != 0
@@ -334,4 +335,4 @@ def test_integration_norm_per_run(self):
             self._print_model_precision(background_model[id_obs], reference)
             assert np.all(np.isclose(background_model[id_obs].data, reference.data,
                                      atol=self.absolute_tolerance,
-                                     rtol=self.relative_tolerance))
+                                     rtol=self.relative_tolerance_normalisation))