diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dfad16f..a2833fc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -2,7 +2,6 @@ on:
   release:
     types:
       - published
-  workflow_dispatch:
 
 name: Create release
 
@@ -50,7 +49,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-20.04, windows-2019, macos-11]
-        py: ["cp37", "cp38", "cp39", "cp310", "cp311", "cp312", "pp37", "pp38", "pp39", "pp310"]
+        py: ["cp38", "cp39", "cp310", "cp311", "cp312", "pp38", "pp39", "pp310"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 68a06ba..5eccd5c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.7, 3.8, 3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/setup.py b/setup.py
index d050529..5b098c1 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
         "Development Status :: 3 - Alpha",
         "Intended Audience :: Developers",
     ],
-    python_requires=">3.4",
+    python_requires=">=3.8",
     extras_require={
         # Dependencies for running tests.
         "test": ["pytest"],