diff --git a/.github/workflows/PRs.yml b/.github/workflows/PRs.yml
index 8bf4b05d..4294f202 100644
--- a/.github/workflows/PRs.yml
+++ b/.github/workflows/PRs.yml
@@ -46,7 +46,7 @@ jobs:
       run: |
         pip install pytest pytest-cov sphinx pandoc
         pip install -r docs/requirements.txt
-        SPEASY_AMDA_MAX_CHUNK_SIZE_DAYS=30 SPEASY_LONG_TESTS="" pytest --cov=./ --cov-report=xml
+        SPEASY_AMDA_MAX_CHUNK_SIZE_DAYS=25 SPEASY_LONG_TESTS="" pytest --cov=./ --cov-report=xml
         make doctest
     - name: Check that release process is not broken
       if: matrix.python-version == '3.7'
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 296a408c..a56948b4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -46,7 +46,7 @@ jobs:
       run: |
         pip install pytest pytest-cov sphinx pandoc
         pip install -r docs/requirements.txt
-        SPEASY_AMDA_MAX_CHUNK_SIZE_DAYS=30 SPEASY_LONG_TESTS="" pytest --cov=./ --cov-report=xml
+        SPEASY_AMDA_MAX_CHUNK_SIZE_DAYS=25 SPEASY_LONG_TESTS="" pytest --cov=./ --cov-report=xml
         make doctest
     - name: Check that release process is not broken
       if: matrix.python-version == '3.7'
diff --git a/tests/test_amda.py b/tests/test_amda.py
index 122227ba..071c56b8 100644
--- a/tests/test_amda.py
+++ b/tests/test_amda.py
@@ -77,7 +77,7 @@ def test_get_variable_long_request(self):
             self.skipTest("Long tests disabled")
         with self.assertLogs('speasy.webservices.amda.rest_client', level='WARNING') as cm:
             start_date = datetime(2021, 1, 1, 0, 0, 0, tzinfo=timezone.utc)
-            stop_date = datetime(2021, 1, 25, 0, 0, 0, tzinfo=timezone.utc)
+            stop_date = datetime(2021, 1, 30, 0, 0, 0, tzinfo=timezone.utc)
             parameter_id = "mms1_b_gse"
             result = spz.amda.get_parameter(parameter_id, start_date, stop_date, disable_proxy=True,
                                             disable_cache=True)