diff --git a/.github/workflows/python-package-conda.yml b/.github/workflows/python-package-conda.yml
index b0fe15d7..b9646fe6 100644
--- a/.github/workflows/python-package-conda.yml
+++ b/.github/workflows/python-package-conda.yml
@@ -10,7 +10,7 @@ on:
 
 env:
   latest_python: "3.12"
-  supported_pythons: '["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]'
+  supported_pythons: '["3.9", "3.10", "3.11", "3.12"]'
   miniforge_version: "22.9.0-2"
   miniforge_variant: "Mambaforge"
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5268d137..abe11961 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,7 +6,7 @@ on:
       - '*'
 
 env:
-  earliest_python: "3.8"
+  earliest_python: "3.9"
   latest_python: "3.12"
   miniforge_version: "23.11.0-0"
   miniforge_variant: "Mambaforge"
@@ -16,10 +16,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.8
+      - name: Set up Python 3.9
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: 3.9
       - name: Build distribution
         run: |
           # set version from '${{ github.ref_name }}'
diff --git a/pyproject.toml b/pyproject.toml
index 29593987..63bcc085 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,2 @@
 [build-system]
-requires = ["setuptools","wheel", "numpy", "cython"]
+requires = ["setuptools","wheel", "numpy ~=2.0", "cython"]