diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index bc18e345..fab604ac 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
@@ -29,7 +29,7 @@ repos:
       - id: isort
         args: ["--profile", "black", "--filter-files"]
 -   repo: https://github.com/codespell-project/codespell
-    rev: v2.2.5
+    rev: v2.2.6
     hooks:
     -   id: codespell
         types_or: [python, rst, markdown]
diff --git a/linopy/expressions.py b/linopy/expressions.py
index 93aab4f0..3bbe4fec 100644
--- a/linopy/expressions.py
+++ b/linopy/expressions.py
@@ -434,10 +434,10 @@ def __mul__(self, other):
             ds = ds.assign(const=other.const)
             return merge(self, ds, dim=FACTOR_DIM, cls=QuadraticExpression)
         else:
-            multiplyer = as_dataarray(other, coords=self.coords, dims=self.coord_dims)
-            coeffs = self.coeffs * multiplyer
+            multiplier = as_dataarray(other, coords=self.coords, dims=self.coord_dims)
+            coeffs = self.coeffs * multiplier
             assert set(coeffs.shape) == set(self.coeffs.shape)
-            const = self.const * multiplyer
+            const = self.const * multiplier
             return self.assign(coeffs=coeffs, const=const)
 
     def __rmul__(self, other):