diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 02e303c2..c05306a6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,13 +15,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          # 2018
-          - python: 3.7
-            os: ubuntu-20.04
-            numpy: numpy==1.15.*
-            display_name: "2018"
-            pins: "h5py==2.9.* sqlalchemy==1.4.1 shapely==2.0.* pyproj==3.0.*"
-            extras: "[test,gridadmin]"
           # 2019
           - python: 3.8
             os: ubuntu-20.04
diff --git a/pyproject.toml b/pyproject.toml
index 1d3d76e3..627093ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,9 +5,6 @@ requires = [
     "wheel",
     "cmake>=3.18",
     "scikit-build",
-    "numpy==1.13.3; python_version=='3.5'",
-    "numpy==1.13.3; python_version=='3.6'",
-    "numpy==1.14.5; python_version=='3.7'",
     "numpy==1.17.3; python_version=='3.8'",
     "numpy==1.19.3; python_version=='3.9'",
     "numpy==1.21.3; python_version=='3.10'",
diff --git a/setup.py b/setup.py
index af4a7fd0..0b40b4e0 100644
--- a/setup.py
+++ b/setup.py
@@ -84,7 +84,7 @@ def get_version():
         "gpkg": ["geopandas"],
         "cli": ["typer"],
     },
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     include_package_data=True,
     classifiers=[
         "Programming Language :: Python :: 3",