diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1d270e42..50dc267a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: '3.9'
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 199015fe..90dff2dc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -40,7 +40,7 @@ jobs:
         if: steps.auto-version.outputs.version != ''
         uses: actions/setup-python@v5
         with:
-          python-version: '^3.8'
+          python-version: '^3.9'
 
       - name: Install Python dependencies
         if: steps.auto-version.outputs.version != ''
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a640917a..a9e35028 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,6 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - '3.8'
           - '3.9'
           - '3.10'
           - '3.11'
diff --git a/.github/workflows/typing.yml b/.github/workflows/typing.yml
index c01c56cb..dd8a09e5 100644
--- a/.github/workflows/typing.yml
+++ b/.github/workflows/typing.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: '3.9'
 
       - name: Install dependencies
         run: |
diff --git a/heudiconv/info.py b/heudiconv/info.py
index 74deecf2..10e729b2 100644
--- a/heudiconv/info.py
+++ b/heudiconv/info.py
@@ -11,15 +11,15 @@
     "Environment :: Console",
     "Intended Audience :: Science/Research",
     "License :: OSI Approved :: Apache Software License",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",
     "Typing :: Typed",
 ]
 
-PYTHON_REQUIRES = ">=3.8"
+PYTHON_REQUIRES = ">=3.9"
 
 REQUIRES = [
     # not usable in some use cases since might be just a downloader, not binary