diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index e60abe7..9b41c27 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -26,7 +26,7 @@ jobs:
         persist-credentials: false
 
     - name: Setup Micromamba Python
-      uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462  # v2.0.7
+      uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476  # v3.0.0
       with:
         environment-name: TEST
         init-shell: bash
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9744f86..5d75116 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,7 +23,7 @@ jobs:
         persist-credentials: false
 
     - name: Setup Micromamba Python ${{ matrix.python-version }}
-      uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462  # v2.0.7
+      uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476  # v3.0.0
       with:
         environment-name: TEST
         init-shell: bash
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2b6a8c1..6710cea 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,7 +27,7 @@ repos:
 
 
 - repo: https://github.com/codespell-project/codespell
-  rev: v2.4.1
+  rev: v2.4.2
   hooks:
     - id: codespell
       args:
@@ -39,7 +39,7 @@ repos:
     - id: add-trailing-comma
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.15.4
+  rev: v0.15.9
   hooks:
     - id: ruff
       args: ["--fix", "--show-fixes"]
@@ -62,12 +62,12 @@ repos:
     - id: nb-strip-paths
 
 - repo: https://github.com/tox-dev/pyproject-fmt
-  rev: v2.16.2
+  rev: v2.21.0
   hooks:
     - id: pyproject-fmt
 
 - repo: https://github.com/woodruffw/zizmor-pre-commit
-  rev: v1.22.0
+  rev: v1.23.1
   hooks:
     - id: zizmor
 
diff --git a/ctd/plotting.py b/ctd/plotting.py
index 0558e1e..226a4b1 100644
--- a/ctd/plotting.py
+++ b/ctd/plotting.py
@@ -44,11 +44,11 @@ def plot_cast(
     ylabel = getattr(df.index, "name", None)
 
     if isinstance(df, pd.DataFrame):
-        labels = label if label else df.columns
+        labels = label or df.columns
         for k, (_col, series) in enumerate(df.items()):
             ax.plot(series, series.index, label=labels[k])
     elif isinstance(df, pd.Series):
-        label = label if label else str(df.name)
+        label = label or str(df.name)
         ax.plot(df.values, df.index, label=label, **kwargs)
 
     ax.set_ylabel(ylabel)
diff --git a/ctd/read.py b/ctd/read.py
index 9b1d47b..a9c213e 100644
--- a/ctd/read.py
+++ b/ctd/read.py
@@ -204,7 +204,7 @@ def _parse_seabird(lines: list, ftype: str) -> dict:  # noqa: C901, PLR0912, PLR
         names.append("Statistic")
     metadata.update(
         {
-            "name": fname if fname else "unknown",
+            "name": fname or "unknown",
             "header": "\n".join(header),
             "config": "\n".join(config),
             "names": _remane_duplicate_columns(names),
diff --git a/pyproject.toml b/pyproject.toml
index ca50a0d..ca002bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,12 +38,10 @@ include-package-data = true
 license-files = [
   "LICENSE.txt",
 ]
-
-[tool.setuptools.dynamic]
-dependencies = { file = [
+dynamic.dependencies = { file = [
   "requirements.txt",
 ] }
-readme = { file = "README.md", content-type = "text/markdown" }
+dynamic.readme = { file = "README.md", content-type = "text/markdown" }
 
 [tool.setuptools_scm]
 write_to = "ctd/_version.py"
@@ -53,7 +51,6 @@ tag_regex = "^(?P<prefix>v)?(?P<version>[^\\+]+)(?P<suffix>.*)?$"
 [tool.ruff]
 target-version = "py39"
 line-length = 80
-
 lint.select = [
   "A",   # flake8-builtins
   "B",   # flake8-bugbear