diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6b74261..9d86089 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,15 +1,15 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
     - id: check-merge-conflict
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.8.4
+    rev: v0.14.13
     hooks:
       - id: ruff
         args: [--fix, --show-fixes, --exit-non-zero-on-fix]
       - id: ruff-format
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.14.0
+    rev: v1.19.1
     hooks:
       - id: mypy
diff --git a/src/gflabel/bases/modern.py b/src/gflabel/bases/modern.py
index f4dab9b..5d189c9 100644
--- a/src/gflabel/bases/modern.py
+++ b/src/gflabel/bases/modern.py
@@ -89,7 +89,7 @@ def _convert_u_to_mm(u: pint.Quantity):
 
         if LABEL_DEPTH >= H_mm / 2 or LABEL_DEPTH >= W_mm / 2:
             raise ValueError(
-                f"Error: Cannot have label depth ({LABEL_DEPTH:.1f} mm) being greater than half the width ({W_mm/2:.1f} mm) or height ({H_mm/2:.1f} mm)"
+                f"Error: Cannot have label depth ({LABEL_DEPTH:.1f} mm) being greater than half the width ({W_mm / 2:.1f} mm) or height ({H_mm / 2:.1f} mm)"
             )
 
         # Label constructed by angled extrusion of inner sketch
diff --git a/src/gflabel/fragments.py b/src/gflabel/fragments.py
index c821679..7bf86b1 100644
--- a/src/gflabel/fragments.py
+++ b/src/gflabel/fragments.py
@@ -1135,7 +1135,7 @@ def _match_electronic_symbol_with_selectors(selectors: Iterable[str]) -> Manifes
         matches = _match_electronic_symbol_from_standard(standards_order, matches)
         if len(matches) == 1:
             logger.debug(
-                f"Using symbol \"{matches[0]['id']}\" because standard [b]{matches[0]['standard']}[/b] is preferred.",
+                f'Using symbol "{matches[0]["id"]}" because standard [b]{matches[0]["standard"]}[/b] is preferred.',
                 extra={"markup": True},
             )
             return matches[0]
@@ -1146,7 +1146,7 @@ def _match_electronic_symbol_with_selectors(selectors: Iterable[str]) -> Manifes
     if matches:
         cols = ["ID", "Category", "Name", "Standard", "Filename"]
         logger.error(
-            f"Could not decide on symbol from fuzzy specification \"{','.join(requested)}\". Possible options:"
+            f'Could not decide on symbol from fuzzy specification "{",".join(requested)}". Possible options:'
             + "\n"
             + "\n".join(
                 format_table(cols, matches, lambda x: x.lower(), prefix="    ")
@@ -1155,7 +1155,7 @@ def _match_electronic_symbol_with_selectors(selectors: Iterable[str]) -> Manifes
         )
     else:
         logger.error(
-            f"No electronic symbols matched the specification \"{','.join(requested)}\""
+            f'No electronic symbols matched the specification "{",".join(requested)}"'
         )
     raise InvalidFragmentSpecification("Please specify symbol more precisely.")
 
diff --git a/src/gflabel/label.py b/src/gflabel/label.py
index 5735301..6b1c2ea 100644
--- a/src/gflabel/label.py
+++ b/src/gflabel/label.py
@@ -172,7 +172,7 @@ def _do_multiline_render(
                     - (row_height + self.opts.line_spacing_mm) * n
                     - row_height / 2
                 )
-                logger.info(f'Rendering line {n+1} ("{line}")')
+                logger.info(f'Rendering line {n + 1} ("{line}")')
                 IndentingRichHandler.indent()
                 with Locations([(0, render_y)]):
                     add(
diff --git a/src/gflabel/options.py b/src/gflabel/options.py
index 110899d..bdc1832 100644
--- a/src/gflabel/options.py
+++ b/src/gflabel/options.py
@@ -104,9 +104,9 @@ def from_args(cls, args: argparse.Namespace) -> RenderOptions:
                     "Got non-length dimension pint quantity for args.margin"
                 )
             margin_mm = args.margin.to("mm").magnitude
-        assert (
-            margin_mm is not None
-        ), "Margin should have been set either by user or defaults"
+        assert margin_mm is not None, (
+            "Margin should have been set either by user or defaults"
+        )
         return cls(
             margin_mm=margin_mm,
             font=FontOptions(