diff --git a/.github/workflows/roman_ci.yml b/.github/workflows/roman_ci.yml
index 9c4df6bc3..ccdff2207 100644
--- a/.github/workflows/roman_ci.yml
+++ b/.github/workflows/roman_ci.yml
@@ -72,15 +72,15 @@ jobs:
       cache-key: data-${{ needs.webbpsf_data_cache.outputs.cache_key }}-${{ needs.crds_context.outputs.context }}
       cache-restore-keys: ${{ needs.webbpsf_data_cache.outputs.cache_key }}
       envs: |
-        - linux: py310-oldestdeps-webbpsf-cov
+        - linux: py311-oldestdeps-webbpsf-cov
           pytest-results-summary: true
-        - linux: py310-webbpsf-nolegacypath
+        - linux: py311-webbpsf-nolegacypath
           pytest-results-summary: true
-        - linux: py311-ddtrace-webbpsf
+        - linux: py312-ddtrace-webbpsf
           pytest-results-summary: true
-        - macos: py311-ddtrace-webbpsf
+        - macos: py312-ddtrace-webbpsf
           pytest-results-summary: true
-        - linux: py311-webbpsf-cov
+        - linux: py312-webbpsf-cov
           coverage: codecov
           pytest-results-summary: true
-        - linux: py312-webbpsf
+        # - linux: py313-webbpsf  # Distabled until we support Python 3.13
diff --git a/.github/workflows/roman_ci_cron.yaml b/.github/workflows/roman_ci_cron.yaml
index d04830366..6563d0eee 100644
--- a/.github/workflows/roman_ci_cron.yaml
+++ b/.github/workflows/roman_ci_cron.yaml
@@ -67,9 +67,9 @@ jobs:
       cache-key: data-${{ needs.webbpsf_data_cache.outputs.cache_key }}-${{ needs.crds_context.outputs.context }}
       cache-restore-keys: ${{ needs.webbpsf_data_cache.outputs.cache_key }}
       envs: |
-        - macos: py310-webbpsf
+        - macos: py311-webbpsf
           pytest-results-summary: true
-        - macos: py311-sdpdeps-webbpsf
+        - macos: py312-sdpdeps-webbpsf
           pytest-results-summary: true
         - linux: py3-pyargs-webbpsf
           pytest-results-summary: true
diff --git a/changes/1543.general.rst b/changes/1543.general.rst
new file mode 100644
index 000000000..f8d88ca14
--- /dev/null
+++ b/changes/1543.general.rst
@@ -0,0 +1 @@
+Bump min Python version to 3.11 per SPEC 0.
diff --git a/pyproject.toml b/pyproject.toml
index 9680a84ae..71b9a4c71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "romancal"
 description = "Library for calibration of science observations from the Nancy Grace Roman Space Telescope"
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 authors = [
     { name = "Roman calibration pipeline developers", email = "help@stsci.edu" },
 ]