diff --git a/.copier-answers.yml b/.copier-answers.yml
index ee42dde2..c9977978 100644
--- a/.copier-answers.yml
+++ b/.copier-answers.yml
@@ -3,7 +3,7 @@ _commit: ff7f76b
 _src_path: gh:scipp/copier_template
 description: SANS data reduction for the European Spallation Source
 max_python: '3.12'
-min_python: '3.8'
+min_python: '3.9'
 namespace_package: ''
 nightly_deps: plopp,sciline,scippneutron,scippnexus,scipp
 orgname: scipp
diff --git a/.github/workflows/python-version-ci b/.github/workflows/python-version-ci
index cc1923a4..bd28b9c5 100644
--- a/.github/workflows/python-version-ci
+++ b/.github/workflows/python-version-ci
@@ -1 +1 @@
-3.8
+3.9
diff --git a/conda/meta.yaml b/conda/meta.yaml
index e3425633..d40164ca 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -12,7 +12,7 @@ requirements:
     - setuptools_scm
   run:
     - dask
-    - python>=3.8
+    - python>=3.9
     - python-graphviz
     - plopp
     - pythreejs
diff --git a/docs/developer/getting-started.md b/docs/developer/getting-started.md
index 1f0f5950..046d5978 100644
--- a/docs/developer/getting-started.md
+++ b/docs/developer/getting-started.md
@@ -40,7 +40,7 @@ Alternatively, if you want a different workflow, take a look at ``tox.ini`` or `
 Run the tests using
 
 ```sh
-tox -e py38
+tox -e py39
 ```
 
 (or just `tox` if you want to run all environments).
diff --git a/pyproject.toml b/pyproject.toml
index 1383ff33..92665f6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -26,7 +25,7 @@ classifiers = [
     "Topic :: Scientific/Engineering",
     "Typing :: Typed",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 # IMPORTANT:
 # Run 'tox -e deps' after making changes here. This will update requirement files.
diff --git a/tox.ini b/tox.ini
index c978953f..e32de43a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38
+envlist = py39
 isolated_build = true
 
 [testenv]