diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index a5c1d41..b8de1b0 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -20,10 +20,10 @@ jobs:
           virtualenvs-create: true
           virtualenvs-in-project: true
 
-      - name: Set up Python 3.12
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
           cache: poetry
 
       - name: Install requirements
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ce67090..e2a195e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,5 +14,5 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: '3.12'
+        python-version: '3.13'
     - uses: pre-commit/action@v3.0.1
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index aa18df0..8d71920 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -47,11 +47,6 @@ repos:
       - id: poetry-check
         additional_dependencies:
           - poetry-plugin-sort==0.2.0
-          - poetry-plugin-export==1.8.0
-      # FIXME: poetry lock export more platform on the CI
-      # - id: poetry-lock
-      #   args: ["--no-update"]
-      - id: poetry-export
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.11.12
diff --git a/README.md b/README.md
index 507f926..e5febd6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Django friendly finite state machine support
 
 [![CI tests](https://github.com/django-commons/django-fsm-2/actions/workflows/test.yml/badge.svg)](https://github.com/django-commons/django-fsm-2/actions/workflows/test.yml)
-[![codecov](https://codecov.io/github/django-commons/django-fsm-2/branch/master/graph/badge.svg?token=GWGDR6AR6D)](https://codecov.io/github/django-commons/django-fsm-2)
+[![codecov](https://codecov.io/github/django-commons/django-fsm-2/graph/badge.svg?token=gxsNL3cBl3)](https://codecov.io/github/django-commons/django-fsm-2)
 [![Documentation](https://img.shields.io/static/v1?label=Docs&message=READ&color=informational&style=plastic)](https://github.com/django-commons/django-fsm-2#settings)
 [![MIT License](https://img.shields.io/static/v1?label=License&message=MIT&color=informational&style=plastic)](https://github.com/django-commons/anymail-history/LICENSE)
 
diff --git a/poetry.lock b/poetry.lock
index 4dd2469..7d11658 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -533,4 +533,4 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.8"
-content-hash = "f46b8a5b9ffa4e59610be81ead75f64886b8138740c3538a88bf5912b140a652"
+content-hash = "092f3ae7c4a31bb2f69f516ae5a635f67668e6f29e4c35257422bdaf2c9615ce"
diff --git a/pyproject.toml b/pyproject.toml
index 557d507..cdc6195 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ django-guardian = "*"
 graphviz = "*"
 pre-commit = "*"
 pytest = "*"
-pytest-cov = "^4.1.0"
+pytest-cov = "*"
 pytest-django = "*"
 
 [tool.pytest.ini_options]
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 0cf3fed..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-asgiref==3.8.1 ; python_version >= "3.8" and python_version < "4.0" \
-    --hash=sha256:3e1e3ecc849832fe52ccf2cb6686b7a55f82bb1d6aee72a58826471390335e47 \
-    --hash=sha256:c343bd80a0bec947a9860adb4c432ffa7db769836c64238fc34bdc3fec84d590
-backports-zoneinfo==0.2.1 ; python_version >= "3.8" and python_version < "3.9" \
-    --hash=sha256:17746bd546106fa389c51dbea67c8b7c8f0d14b5526a579ca6ccf5ed72c526cf \
-    --hash=sha256:1b13e654a55cd45672cb54ed12148cd33628f672548f373963b0bff67b217328 \
-    --hash=sha256:1c5742112073a563c81f786e77514969acb58649bcdf6cdf0b4ed31a348d4546 \
-    --hash=sha256:4a0f800587060bf8880f954dbef70de6c11bbe59c673c3d818921f042f9954a6 \
-    --hash=sha256:5c144945a7752ca544b4b78c8c41544cdfaf9786f25fe5ffb10e838e19a27570 \
-    --hash=sha256:7b0a64cda4145548fed9efc10322770f929b944ce5cee6c0dfe0c87bf4c0c8c9 \
-    --hash=sha256:8439c030a11780786a2002261569bdf362264f605dfa4d65090b64b05c9f79a7 \
-    --hash=sha256:8961c0f32cd0336fb8e8ead11a1f8cd99ec07145ec2931122faaac1c8f7fd987 \
-    --hash=sha256:89a48c0d158a3cc3f654da4c2de1ceba85263fafb861b98b59040a5086259722 \
-    --hash=sha256:a76b38c52400b762e48131494ba26be363491ac4f9a04c1b7e92483d169f6582 \
-    --hash=sha256:da6013fd84a690242c310d77ddb8441a559e9cb3d3d59ebac9aca1a57b2e18bc \
-    --hash=sha256:e55b384612d93be96506932a786bbcde5a2db7a9e6a4bb4bffe8b733f5b9036b \
-    --hash=sha256:e81b76cace8eda1fca50e345242ba977f9be6ae3945af8d46326d776b4cf78d1 \
-    --hash=sha256:e8236383a20872c0cdf5a62b554b27538db7fa1bbec52429d8d106effbaeca08 \
-    --hash=sha256:f04e857b59d9d1ccc39ce2da1021d196e47234873820cbeaad210724b1ee28ac \
-    --hash=sha256:fadbfe37f74051d024037f223b8e001611eac868b5c5b06144ef4d8b799862f2
-django==4.2.16 ; python_version >= "3.8" and python_version < "4.0" \
-    --hash=sha256:1ddc333a16fc139fd253035a1606bb24261951bbc3a6ca256717fa06cc41a898 \
-    --hash=sha256:6f1616c2786c408ce86ab7e10f792b8f15742f7b7b7460243929cb371e7f1dad
-sqlparse==0.5.0 ; python_version >= "3.8" and python_version < "4.0" \
-    --hash=sha256:714d0a4932c059d16189f58ef5411ec2287a4360f17cdd0edd2d09d4c5087c93 \
-    --hash=sha256:c204494cd97479d0e39f28c93d46c0b2d5959c7b9ab904762ea6c7af211c8663
-typing-extensions==4.12.2 ; python_version >= "3.8" and python_version < "3.11" \
-    --hash=sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d \
-    --hash=sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8
-tzdata==2024.1 ; python_version >= "3.8" and python_version < "4.0" and sys_platform == "win32" \
-    --hash=sha256:2674120f8d891909751c38abcdfd386ac0a5a1127954fbc332af6b5ceae07efd \
-    --hash=sha256:9068bc196136463f5245e51efda838afa15aaeca9903f49050dfa2679db4d252
diff --git a/tox.ini b/tox.ini
index 51da166..ba66b74 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,6 +4,8 @@ envlist =
     py{310,311,312}-dj50
     py{310,311,312}-dj51
     py{310,311,312,313}-dj52
+    py{312,313}-djmain
+
 skipsdist = True
 
 [testenv]
@@ -12,6 +14,7 @@ deps =
     dj50: Django==5.0
     dj51: Django==5.1
     dj52: Django==5.2
+    djmain: https://github.com/django/django/tarball/main
 
     django-guardian
     graphviz