diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 2ca313da..d8923102 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -4,4 +4,4 @@ Before you submit a pull request, check that it meets these guidelines:
 2. If the pull request adds functionality, the docs should be updated. Put
    your new functionality into a function with a docstring, and add the
    feature to the list in README.rst.
-3. The pull request should work for Python 3.9, 3.10 and 3.11.
+3. The pull request should pass all our continuous integration checks before it is merged.
diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index f6a249cc..8a7368ce 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -16,7 +16,7 @@ jobs:
       fail-fast: true
       matrix:
         os: ["windows-latest", "ubuntu-latest", "macos-latest"]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - name: Checkout source
diff --git a/continuous_integration/environment-3.12.yml b/continuous_integration/environment-3.12.yml
new file mode 100644
index 00000000..f50f025b
--- /dev/null
+++ b/continuous_integration/environment-3.12.yml
@@ -0,0 +1,21 @@
+name: dask-image-testenv
+
+channels:
+  - conda-forge
+
+dependencies:
+  - python=3.12.*
+  - pip==24.0
+  - build==1.2.1
+  - coverage==7.5.1
+  - flake8==7.0.0
+  - pytest==8.2.0
+  - pytest-cov==5.0.0
+  - pytest-flake8==1.1.1
+  - dask==2024.4.1
+  - numpy==1.26.4
+  - scipy==1.13.0
+  - scikit-image==0.22.0
+  - pims==0.6.1
+  - slicerator==1.1.0
+  - pandas==2.2.2
diff --git a/continuous_integration/environment-latest.yml b/continuous_integration/environment-latest.yml
index 00fcc92f..6a6a6045 120000
--- a/continuous_integration/environment-latest.yml
+++ b/continuous_integration/environment-latest.yml
@@ -1 +1 @@
-environment-3.11.yml
\ No newline at end of file
+environment-3.12.yml
\ No newline at end of file