diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 33bd7267..9289ce5e 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -32,7 +32,7 @@ jobs:
           pip install spacepy  # required for MMS qcotrans tests
           pip install coveralls
           pip install basemap
-          pip install 'mth5<=0.4.7'
+          pip install 'mth5>=0.4.9'
           python -m pyspedas.projects.mms.tests.setup_tests
       if: matrix.os == 'ubuntu-latest'
     - name: Install dependencies (Windows)
@@ -46,7 +46,7 @@ jobs:
           pip install spacepy  # required for MMS qcotrans tests
           pip install coveralls
           pip install basemap
-          pip install 'mth5<=0.4.7'
+          pip install 'mth5>=0.4.9'
           python -m pyspedas.projects.mms.tests.setup_tests
       if: matrix.os == 'windows-latest'
     - name: Install dependencies (macOS)
@@ -60,7 +60,7 @@ jobs:
           pip install spacepy  # required for MMS qcotrans tests
           pip install coveralls
           pip install basemap
-          pip install 'mth5<=0.4.7'
+          pip install 'mth5>=0.4.9'
           python -m pyspedas.projects.mms.tests.setup_tests
       if: matrix.os == 'macos-latest'
     - name: Lint with flake8
diff --git a/pyspedas/mth5/__init__.py b/pyspedas/mth5/__init__.py
index 3a42843b..d0fa6f02 100644
--- a/pyspedas/mth5/__init__.py
+++ b/pyspedas/mth5/__init__.py
@@ -16,7 +16,7 @@
 
 except (ImportError, ModuleNotFoundError):
     logging.error(f'MTH5 must be installed to use module {__name__}.')
-    logging.error("Please install it using: pip install 'mth5==0.4.7'")
+    logging.error("Please install it using: pip install mth5")
     raise
 
 # # Synchronize mth5 logging output level with pyspedas logging output level
diff --git a/pyspedas/mth5/tests/test_mth5_import.py b/pyspedas/mth5/tests/test_mth5_import.py
index 82b0f7ad..3248aaee 100644
--- a/pyspedas/mth5/tests/test_mth5_import.py
+++ b/pyspedas/mth5/tests/test_mth5_import.py
@@ -25,7 +25,7 @@ def test_pyspedas_mth5_import_error(self):
 
             # Verify the error log was called with the expected message
             self.mock_logging_error.assert_any_call('MTH5 must be installed to use module pyspedas.mth5.')
-            self.mock_logging_error.assert_any_call("Please install it using: pip install 'mth5==0.4.7'")
+            self.mock_logging_error.assert_any_call("Please install it using: pip install mth5")
 
 
 if __name__ == '__main__':