diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 43986e01..b24a4f73 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -35,7 +35,7 @@ jobs:
         -   name: Install Python
             uses: actions/setup-python@v4
             with:
-                python-version: '3.8'
+                python-version: '3.9'
                 cache: 'pip'
                 cache-dependency-path: pyproject.toml
 
@@ -56,7 +56,7 @@ jobs:
 
         strategy:
             matrix:
-                python-version: ['3.8', '3.9']
+                python-version: ['3.9']
 
         services:
             rabbitmq:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f423a51..465d1e56 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         -   name: Install Python
             uses: actions/setup-python@v4
             with:
-                python-version: '3.8'
+                python-version: '3.9'
                 cache: 'pip'
                 cache-dependency-path: pyproject.toml
 
@@ -34,7 +34,7 @@ jobs:
 
         strategy:
             matrix:
-                python-version: ['3.8', '3.9']
+                python-version: ['3.9']
 
         services:
             rabbitmq:
diff --git a/pyproject.toml b/pyproject.toml
index d8001e16..c862f426 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,11 +15,10 @@ classifiers = [
     'Operating System :: POSIX :: Linux',
     'Operating System :: MacOS :: MacOS X',
     'Programming Language :: Python',
-    'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
 ]
 keywords = ['aiida', 'workflows']
-requires-python = '>=3.8,<3.10'
+requires-python = '>=3.9,<3.10'
 dependencies = [
     'abipy==0.9.6',
     'aiida-abinit~=0.4.0',