diff --git a/.github/workflows/code.yml b/.github/workflows/code.yml
index 11adf733..b93be4bd 100644
--- a/.github/workflows/code.yml
+++ b/.github/workflows/code.yml
@@ -32,12 +32,12 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"] # can add windows-latest, macos-latest
-        python: ["3.8", "3.9", "3.10"]
+        python: ["3.9", "3.10"]
         install: ["-e .[dev]"]
         # Make one version be non-editable to test both paths of version code
         include:
           - os: "ubuntu-latest"
-            python: "3.8"
+            python: "3.9"
             install: ".[dev]"
 
     runs-on: ${{ matrix.os }}
diff --git a/docs/developer/how-to/pin-requirements.rst b/docs/developer/how-to/pin-requirements.rst
index 89639623..6791659a 100644
--- a/docs/developer/how-to/pin-requirements.rst
+++ b/docs/developer/how-to/pin-requirements.rst
@@ -46,7 +46,7 @@ of the dependencies and sub-dependencies with pinned versions.
 You can download any of these files by clicking on them. It is best to use
 the one that ran with the lowest Python version as this is more likely to
 be compatible with all the versions of Python in the test matrix.
-i.e. ``requirements-test-ubuntu-latest-3.8.txt`` in this example.
+i.e. ``requirements-test-ubuntu-latest-3.9.txt`` in this example.
 
 Applying the lock file
 ----------------------
diff --git a/docs/developer/tutorials/dev-install.rst b/docs/developer/tutorials/dev-install.rst
index 0b217b82..0f7694fd 100644
--- a/docs/developer/tutorials/dev-install.rst
+++ b/docs/developer/tutorials/dev-install.rst
@@ -16,7 +16,7 @@ Install dependencies
 --------------------
 
 You can choose to either develop on the host machine using a `venv` (which
-requires python 3.8 or later) or to run in a container under `VSCode
+requires python 3.9 or later) or to run in a container under `VSCode
 <https://code.visualstudio.com/>`_
 
 .. tab-set::
diff --git a/docs/user/tutorials/installation.rst b/docs/user/tutorials/installation.rst
index 78b68b59..cf190c83 100644
--- a/docs/user/tutorials/installation.rst
+++ b/docs/user/tutorials/installation.rst
@@ -4,7 +4,7 @@ Installation
 Check your version of python
 ----------------------------
 
-You will need python 3.8 or later. You can check your version of python by
+You will need python 3.9 or later. You can check your version of python by
 typing into a terminal::
 
     $ python3 --version
diff --git a/pyproject.toml b/pyproject.toml
index 36666f29..096aa30d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,20 +7,19 @@ name = "tickit-devices"
 classifiers = [
     "Development Status :: 3 - Alpha",
     "License :: OSI Approved :: Apache Software License",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
 ]
 description = "Devices for tickit, an event-based device simulation framework"
 dependencies = [
-    "tickit",
+    "tickit<0.2.3",
     "typing_extensions",
     "softioc",
 ] 
 dynamic = ["version"]
 license.file = "LICENSE"
 readme = "README.rst"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 [project.optional-dependencies]
 dev = [