diff --git a/.codecov.yml b/.codecov.yml
index 1720ac027..7a57a7568 100644
--- a/.codecov.yml
+++ b/.codecov.yml
@@ -1,3 +1,12 @@
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true
+    changes: false
 comment: off
 ignore:
   - graphblas/viz.py
diff --git a/.github/workflows/imports.yml b/.github/workflows/imports.yml
index 753ce5162..18be6256a 100644
--- a/.github/workflows/imports.yml
+++ b/.github/workflows/imports.yml
@@ -33,17 +33,19 @@ jobs:
             3.9
             3.10
             3.11
+            3.12
           weights: |
             1
             1
             1
+            1
   test_imports:
     needs: rngs
     runs-on: ${{ needs.rngs.outputs.os }}
     # runs-on: ${{ matrix.os }}
     # strategy:
     #   matrix:
-    #     python-version: ["3.9", "3.10", "3.11"]
+    #     python-version: ["3.9", "3.10", "3.11", "3.12"]
     #     os: ["ubuntu-latest", "macos-latest", "windows-latest"]
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/test_and_build.yml b/.github/workflows/test_and_build.yml
index e3930a853..b1ca58616 100644
--- a/.github/workflows/test_and_build.yml
+++ b/.github/workflows/test_and_build.yml
@@ -112,10 +112,12 @@ jobs:
             3.9
             3.10
             3.11
+            3.12
           weights: |
             1
             1
             1
+            1
       - name: RNG for source of python-suitesparse-graphblas
         uses: ddradar/choose-random-action@v2.0.2
         id: sourcetype
@@ -178,11 +180,16 @@ jobs:
             spver=$(python -c 'import random ; print(random.choice(["=1.8", "=1.9", "=1.10", "=1.11", ""]))')
             pdver=$(python -c 'import random ; print(random.choice(["=1.3", "=1.4", "=1.5", "=2.0", "=2.1", ""]))')
             akver=$(python -c 'import random ; print(random.choice(["=1.9", "=1.10", "=2.0", "=2.1", "=2.2", "=2.3", "=2.4", ""]))')
-          else  # Python 3.11
+          elif [[ ${{ startsWith(steps.pyver.outputs.selected, '3.11') }} == true ]]; then
             npver=$(python -c 'import random ; print(random.choice(["=1.23", "=1.24", "=1.25", "=1.26", ""]))')
             spver=$(python -c 'import random ; print(random.choice(["=1.9", "=1.10", "=1.11", ""]))')
             pdver=$(python -c 'import random ; print(random.choice(["=1.5", "=2.0", "=2.1", ""]))')
             akver=$(python -c 'import random ; print(random.choice(["=1.10", "=2.0", "=2.1", "=2.2", "=2.3", "=2.4", ""]))')
+          else  # Python 3.12
+            npver=$(python -c 'import random ; print(random.choice(["=1.26", ""]))')
+            spver=$(python -c 'import random ; print(random.choice(["=1.11", ""]))')
+            pdver=$(python -c 'import random ; print(random.choice(["=2.1", ""]))')
+            akver=$(python -c 'import random ; print(random.choice(["=2.4", ""]))')
           fi
           if [[ ${{ steps.sourcetype.outputs.selected }} == "source" || ${{ steps.sourcetype.outputs.selected }} == "upstream" ]]; then
             # TODO: there are currently issues with some numpy versions when
@@ -195,16 +202,23 @@ jobs:
           # That is, we don't need to support versions of it that are two years old.
           # But, it's still useful for us to test with different versions!
           psg=""
-          if [[ ${{ steps.sourcetype.outputs.selected}} == "conda-forge" ]] ; then
-            psgver=$(python -c 'import random ; print(random.choice(["=7.4.0", "=7.4.1", "=7.4.2", "=7.4.3.0", "=7.4.3.1", "=7.4.3.2", "=8.0.2.1", ""]))')
+          if [[ ${{ steps.sourcetype.outputs.selected}} == "upstream" ]] ; then
+            psgver=""
+          elif [[ ${{ startsWith(steps.pyver.outputs.selected, '3.12') }} == true ]] ; then
+            if [[ ${{ steps.sourcetype.outputs.selected}} == "conda-forge" ]] ; then
+              psgver=$(python -c 'import random ; print(random.choice(["=8.2.0.1", ""]))')
+              psg=python-suitesparse-graphblas${psgver}
+            else
+              psgver=$(python -c 'import random ; print(random.choice(["==8.2.0.1", ""]))')
+            fi
+          elif [[ ${{ steps.sourcetype.outputs.selected}} == "conda-forge" ]] ; then
+            psgver=$(python -c 'import random ; print(random.choice(["=7.4.0", "=7.4.1", "=7.4.2", "=7.4.3.0", "=7.4.3.1", "=7.4.3.2", "=8.0.2.1", "=8.2.0.1", ""]))')
             psg=python-suitesparse-graphblas${psgver}
           elif [[ ${{ steps.sourcetype.outputs.selected}} == "wheel" ]] ; then
-            psgver=$(python -c 'import random ; print(random.choice(["==7.4.3.2", "==8.0.2.1", ""]))')
+            psgver=$(python -c 'import random ; print(random.choice(["==7.4.3.2", "==8.0.2.1", "==8.2.0.1", ""]))')
           elif [[ ${{ steps.sourcetype.outputs.selected}} == "source" ]] ; then
             # These should be exact versions
-            psgver=$(python -c 'import random ; print(random.choice(["==7.4.0.0", "==7.4.1.0", "==7.4.2.0", "==7.4.3.0", "==7.4.3.1", "==7.4.3.2", "==8.0.2.1", ""]))')
-          else
-            psgver=""
+            psgver=$(python -c 'import random ; print(random.choice(["==7.4.0.0", "==7.4.1.0", "==7.4.2.0", "==7.4.3.0", "==7.4.3.1", "==7.4.3.2", "==8.0.2.1", "==8.2.0.1", ""]))')
           fi
           if [[ ${npver} == "=1.26" ]] ; then
             numbaver=""
@@ -258,10 +272,15 @@ jobs:
             numba=numba${numbaver}
             sparse=sparse${sparsever}
           fi
+          if [[ ${{ startsWith(steps.pyver.outputs.selected, '3.12') }} == true ]]; then
+            coveralls=""
+          else
+            coveralls="coveralls=3.3.1"
+          fi
           echo "versions: np${npver} sp${spver} pd${pdver} ak${akver} nx${nxver} numba${numbaver} yaml${yamlver} sparse${sparsever} psg${psgver}"
 
           set -x  # echo on
-          $(command -v mamba || command -v conda) install packaging pytest coverage coveralls=3.3.1 pytest-randomly cffi donfig tomli c-compiler make \
+          $(command -v mamba || command -v conda) install packaging pytest coverage ${coveralls} pytest-randomly cffi donfig tomli c-compiler make \
             pyyaml${yamlver} ${sparse} pandas${pdver} scipy${spver} numpy${npver} ${awkward} \
             networkx${nxver} ${numba} ${fmm} ${psg} \
             ${{ matrix.slowtask == 'pytest_bizarro' && 'black' || '' }} \
@@ -397,11 +416,15 @@ jobs:
         if: matrix.slowtask == 'pytest_bizarro'
         run: |
           # This step uses `black`
+          if [[ ${{ startsWith(steps.pyver.outputs.selected, '3.12') }} == true ]]; then
+            pip install black  # Latest version of black on conda-forge does not have builds for Python 3.12
+          fi
           coverage run -a -m graphblas.core.automethods
           coverage run -a -m graphblas.core.infixmethods
           git diff --exit-code
       - name: Coverage1
         id: coverageAttempt1
+        if: startsWith(steps.pyver.outputs.selected, '3.12') != true
         continue-on-error: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 565e1dc0d..ee6600327 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ default_language_version:
     python: python3
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
       - id: check-added-large-files
       - id: check-case-conflict
@@ -51,7 +51,7 @@ repos:
       - id: isort
   # Let's keep `pyupgrade` even though `ruff --fix` probably does most of it
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.14.0
+    rev: v3.15.0
     hooks:
       - id: pyupgrade
         args: [--py39-plus]
@@ -126,7 +126,7 @@ repos:
         args: [graphblas/]
         pass_filenames: false
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
       - id: no-commit-to-branch  # no commit directly to main
 #
diff --git a/environment.yml b/environment.yml
index 4455f4ac6..1863d4006 100644
--- a/environment.yml
+++ b/environment.yml
@@ -69,6 +69,7 @@ dependencies:
     # - flake8-simplify
     # - gcc
     # - gh
+    # - git
     # - graph-tool
     # - xorg-libxcursor  # for graph-tool
     # - grayskull
diff --git a/pyproject.toml b/pyproject.toml
index ff970cc0f..9579b1c16 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,6 +47,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3 :: Only",
     "Intended Audience :: Developers",
     "Intended Audience :: Other Audience",
@@ -62,7 +63,7 @@ dependencies = [
     "pyyaml >=5.4",
     # These won't be installed by default after 2024.3.0
     # Use e.g. "python-graphblas[suitesparse]" or "python-graphblas[default]" instead
-    "suitesparse-graphblas >=7.4.0.0, <7.5",
+    "suitesparse-graphblas >=7.4.0.0, <9",
     "numba >=0.55; python_version<'3.12'",  # make optional where numba is not supported
 ]
 
@@ -74,7 +75,7 @@ changelog = "https://github.com/python-graphblas/python-graphblas/releases"
 
 [project.optional-dependencies]
 suitesparse = [
-    "suitesparse-graphblas >=7.4.0.0, <7.5",
+    "suitesparse-graphblas >=7.4.0.0, <9",
 ]
 networkx = [
     "networkx >=2.8",
@@ -156,7 +157,7 @@ dirty_template = "{tag}+{ccount}.g{sha}.dirty"
 
 [tool.black]
 line-length = 100
-target-version = ["py39", "py310", "py311"]
+target-version = ["py39", "py310", "py311", "py312"]
 
 [tool.isort]
 sections = ["FUTURE", "STDLIB", "THIRDPARTY", "FIRSTPARTY", "LOCALFOLDER"]
@@ -207,6 +208,9 @@ filterwarnings = [
 
     # pypy gives this warning
     "ignore:can't resolve package from __spec__ or __package__:ImportWarning:",
+
+    # Python 3.12 introduced this deprecation, which is triggered by pandas 2.1.1
+    "ignore:datetime.datetime.utcfromtimestamp:DeprecationWarning:dateutil",
 ]
 
 [tool.coverage.run]
diff --git a/scripts/check_versions.sh b/scripts/check_versions.sh
index 9051ebe6e..c373692ed 100755
--- a/scripts/check_versions.sh
+++ b/scripts/check_versions.sh
@@ -9,7 +9,7 @@ conda search 'numpy[channel=conda-forge]>=1.26.0'
 conda search 'pandas[channel=conda-forge]>=2.1.1'
 conda search 'scipy[channel=conda-forge]>=1.11.3'
 conda search 'networkx[channel=conda-forge]>=3.1'
-conda search 'awkward[channel=conda-forge]>=2.4.4'
+conda search 'awkward[channel=conda-forge]>=2.4.5'
 conda search 'sparse[channel=conda-forge]>=0.14.0'
 conda search 'fast_matrix_market[channel=conda-forge]>=1.7.3'
 conda search 'numba[channel=conda-forge]>=0.57.1'