diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2146b576..4545fe0f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,12 +13,12 @@ jobs:
       env: |
         FFTW_DIR: /opt/homebrew/opt/fftw/lib/
       targets: |
-        # Linux wheels (except python 313)
-        - cp31[!3]-manylinux_x86_64
-        # MacOS wheels (except python 313)
-        - cp31[!3]-macosx_x86_64
-        # MacOS arm64 wheels (except python 313)
-        - cp31[!3]-macosx_arm64
+        # Linux wheels
+        - cp3*-manylinux_x86_64
+        # MacOS wheels
+        - cp3*-macosx_x86_64
+        # MacOS arm64 wheels
+        - cp3*-macosx_arm64
       sdist: true
       test_command: python -c "from romanisim import ramp_fit_casertano"
       upload_to_pypi: ${{ (github.event_name == 'release') && (github.event.action == 'released') }}
diff --git a/pyproject.toml b/pyproject.toml
index 436428df..664e820a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "romanisim"
 description = "Nancy Grace Roman Space Telescope WFI Simulator"
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.10,<3.13"
 authors = [
     { name = "STScI", email = "help@stsci.edu" },
 ]