diff --git a/docs/source/howto/installation_guide.rst b/docs/source/howto/installation_guide.rst
index c1195e23..9bf90da6 100644
--- a/docs/source/howto/installation_guide.rst
+++ b/docs/source/howto/installation_guide.rst
@@ -4,7 +4,7 @@
 How to install ``pyAFQ``
 ==========================
 
-The ``pyAFQ`` software works (at least) on Python 3.9 and 3.8.
+The ``pyAFQ`` software works (at least) on Python 3.9.
 
 How to install the release version
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/examples/howto_examples/cloudknot_example.py b/examples/howto_examples/cloudknot_example.py
index df5af437..1f82a3f0 100644
--- a/examples/howto_examples/cloudknot_example.py
+++ b/examples/howto_examples/cloudknot_example.py
@@ -114,7 +114,7 @@ def afq_process_subject(subject):
 knot = ck.Knot(
     name='afq-process-subject-201009-0',
     func=afq_process_subject,
-    base_image='python:3.8',
+    base_image='python:3.11',
     image_github_installs="https://github.com/tractometry/pyAFQ.git",
     pars_policies=('AmazonS3FullAccess',),
     bid_percentage=100)
@@ -158,7 +158,7 @@ def afq_combine_profiles(dummy_argument):
 knot2 = ck.Knot(
     name='afq_combine_subjects-201009-0',
     func=afq_combine_profiles,
-    base_image='python:3.8',
+    base_image='python:3.11',
     image_github_installs="https://github.com/tractometry/pyAFQ.git",
     pars_policies=('AmazonS3FullAccess',),
     bid_percentage=100)
diff --git a/examples/howto_examples/cloudknot_hcp_example.py b/examples/howto_examples/cloudknot_hcp_example.py
index 1db42e48..9f25b88c 100644
--- a/examples/howto_examples/cloudknot_hcp_example.py
+++ b/examples/howto_examples/cloudknot_hcp_example.py
@@ -152,7 +152,7 @@ def attach_keys(list_of_arg_lists):
 knot = ck.Knot(
     name='afq-hcp-tractography-201110-0',
     func=afq_process_subject,
-    base_image='python:3.8',
+    base_image='python:3.11',
     image_github_installs="https://github.com/tractometry/pyAFQ.git",
     pars_policies=('AmazonS3FullAccess',),
     bid_percentage=100)
@@ -193,7 +193,7 @@ def afq_combine_profiles(seed_mask, n_seeds):
 knot2 = ck.Knot(
     name='afq_combine_subjects-201110-0',
     func=afq_combine_profiles,
-    base_image='python:3.8',
+    base_image='python:3.11',
     image_github_installs="https://github.com/tractometry/pyAFQ.git",
     pars_policies=('AmazonS3FullAccess',),
     bid_percentage=100)
diff --git a/pyafq_docker/Dockerfile b/pyafq_docker/Dockerfile
index f4cea6fe..47666b4c 100644
--- a/pyafq_docker/Dockerfile
+++ b/pyafq_docker/Dockerfile
@@ -1,9 +1,9 @@
 ###############################################################################
-# Dockerfile to build pyAFQ 
+# Dockerfile to build pyAFQ
 ###############################################################################
 
 # Use python base image
-FROM python:3.8
+FROM python:3.11
 
 ARG COMMIT
 
diff --git a/setup.cfg b/setup.cfg
index 40a7a56d..cb8ca0ee 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -24,7 +24,7 @@ platforms = OS Independent
 [options]
 setup_requires =
   setuptools_scm
-python_requires = >=3.8
+python_requires = >=3.9
 install_requires =
     # core packages
     scikit_image>=0.14.2