diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 940bec4f4..e0df5440f 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -55,7 +55,7 @@ jobs:
           # nprocs
           - {os: ubuntu-latest , python-version: 3.9, matrix-backend: numpy, nprocs: 2, numpy-version: latest}
           # numpy-version
-          - {os: ubuntu-latest , python-version: 3.8, matrix-backend: numpy, nprocs: 1, numpy-version: 1.16  }
+          - {os: ubuntu-latest , python-version: 3.6, matrix-backend: numpy, nprocs: 1, numpy-version: 1.17  }
           # tensorial
           - {os: ubuntu-latest , python-version: 3.9, matrix-backend: numpy, nprocs: 1, numpy-version: latest, tensorial: test}
       fail-fast: false
diff --git a/setup.py b/setup.py
index f9a2feaa4..4ee181f3f 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@
   long_description = long_description,
   license = 'MIT',
   python_requires = '>=3.5',
-  install_requires = ['numpy>=1.16', 'treelog>=1.0b5', 'stringly'],
+  install_requires = ['numpy>=1.17', 'treelog>=1.0b5', 'stringly'],
   extras_require = dict(
     docs=['Sphinx>=1.6','scipy>=0.13','matplotlib>=1.3'],
     matrix_scipy=['scipy>=0.13'],