diff --git a/charmcraft.yaml b/charmcraft.yaml
index e748bba9ca..43ecd1d8e0 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -22,7 +22,8 @@ parts:
       rustup default stable
 
       # Convert subset of poetry.lock to requirements.txt
-      curl -sSL https://install.python-poetry.org | POETRY_VERSION=1.8.5 python3 -
+      curl -sSL https://install.python-poetry.org | python3 -
+      /root/.local/bin/poetry self add poetry-plugin-export
       /root/.local/bin/poetry export --only main,charm-libs --output requirements.txt
 
       craftctl default
diff --git a/pyproject.toml b/pyproject.toml
index d3dcbb0d3e..733d04983e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,6 +3,7 @@
 
 [tool.poetry]
 package-mode = false
+requires-poetry = ">=2.0.0"
 
 [tool.poetry.dependencies]
 python = "^3.10"
diff --git a/tox.ini b/tox.ini
index 3f468e5999..893a0ce2a0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,7 +22,7 @@ description = Apply coding style standards to code
 commands_pre =
     poetry install --only format --no-root
 commands =
-    poetry lock --no-update
+    poetry lock
     poetry run ruff check --fix {[vars]all_path}
     poetry run ruff format {[vars]all_path}
 
@@ -54,10 +54,6 @@ commands =
 
 [testenv:integration]
 description = Run integration tests
-set_env =
-    {[testenv]set_env}
-    # Workaround for https://github.com/python-poetry/poetry/issues/6958
-    POETRY_INSTALLER_PARALLEL = false
 pass_env =
     CI
     GITHUB_OUTPUT