diff --git a/CHANGES.md b/CHANGES.md
index 56f2a526f..ca1cf1fb5 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,7 @@ CeTZ 0.3.1 requires Typst 0.12.0.
 
 - Added a new `padding` parameter to the canvas element.
 - Some elements now support Typst 0.12.0 `fill-rule` style.
+- Fixed an issue with reversed marks and `anchor: "center"`. 
 
 # 0.3.0
 
diff --git a/README.md b/README.md
index 3be0b1d55..5523cff27 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ For information, see the [online manual](https://cetz-package.github.io/docs).
 
 To use this package, simply add the following code to your document:
 ```
-#import "@preview/cetz:0.3.0"
+#import "@preview/cetz:0.3.1"
 
 #cetz.canvas({
   import cetz.draw: *
@@ -59,7 +59,7 @@ just install
 The installed version can be imported by prefixing the package name with `@local`.
 
 ```typ
-#import "@local/cetz:0.3.0"
+#import "@local/cetz:0.3.1"
 
 #cetz.canvas({
   import cetz.draw: *
diff --git a/docs/getting-started.mdx b/docs/getting-started.mdx
index 3c9c74ef0..2637abf70 100644
--- a/docs/getting-started.mdx
+++ b/docs/getting-started.mdx
@@ -8,7 +8,7 @@ sidebar_position: 1
 This is the minimal starting point in a `.typ` file:
 
 ```typ
-#import "@preview/cetz:0.3.0"
+#import "@preview/cetz:0.3.1"
 #cetz.canvas({
   import cetz.draw: *
   ...
diff --git a/docs/tutorials/karl.mdx b/docs/tutorials/karl.mdx
index 7170a411b..bfb9ce2ac 100644
--- a/docs/tutorials/karl.mdx
+++ b/docs/tutorials/karl.mdx
@@ -20,7 +20,7 @@ In CeTZ, to draw a picture, two imports and a function call is all you need. Kar
 
 ```typ
 #set page(width: auto, height: auto)
-#import "@preview/cetz:0.3.0"
+#import "@preview/cetz:0.3.1"
 
 We are working on
 #cetz.canvas({
diff --git a/gallery/karls-picture.png b/gallery/karls-picture.png
index 1ffd596d5..d943ccdfd 100644
Binary files a/gallery/karls-picture.png and b/gallery/karls-picture.png differ
diff --git a/gallery/karls-picture.typ b/gallery/karls-picture.typ
index 9582c925c..cb740073f 100644
--- a/gallery/karls-picture.typ
+++ b/gallery/karls-picture.typ
@@ -1,4 +1,4 @@
-#import "@preview/cetz:0.3.0"
+#import "@preview/cetz:0.3.1"
 #set page(width: auto, height: auto, margin: .5cm)
 
 #show math.equation: block.with(fill: white, inset: 1pt)
diff --git a/gallery/tree.png b/gallery/tree.png
index 9ce90a814..b735c2223 100644
Binary files a/gallery/tree.png and b/gallery/tree.png differ
diff --git a/gallery/tree.typ b/gallery/tree.typ
index dc9293262..e088e62a1 100644
--- a/gallery/tree.typ
+++ b/gallery/tree.typ
@@ -1,4 +1,4 @@
-#import "@preview/cetz:0.3.0": canvas, draw, tree
+#import "@preview/cetz:0.3.1": canvas, draw, tree
 
 #set page(width: auto, height: auto, margin: .5cm)
 
diff --git a/gallery/waves.typ b/gallery/waves.typ
index 74daaab76..56b385ed6 100644
--- a/gallery/waves.typ
+++ b/gallery/waves.typ
@@ -1,4 +1,4 @@
-#import "@preview/cetz:0.3.0": canvas, draw, vector, matrix
+#import "@preview/cetz:0.3.1": canvas, draw, vector, matrix
 
 #set page(width: auto, height: auto, margin: .5cm)
 
diff --git a/src/anchor.typ b/src/anchor.typ
index 9f25a475e..82f92edb2 100644
--- a/src/anchor.typ
+++ b/src/anchor.typ
@@ -2,8 +2,6 @@
 #import deps.oxifmt: strfmt
 
 #import "util.typ"
-#import util: typst-length
-
 #import "intersection.typ"
 #import "drawable.typ"
 #import "path-util.typ"
diff --git a/src/canvas.typ b/src/canvas.typ
index cebefb64c..bb4ca9735 100644
--- a/src/canvas.typ
+++ b/src/canvas.typ
@@ -7,8 +7,6 @@
 #import "process.typ"
 #import "version.typ"
 
-#import util: typst-length
-
 /// Sets up a canvas for drawing on.
 ///
 /// - length (length, ratio): Used to specify what 1 coordinate unit is. If given a ratio, that ratio is relative to the containing elements width!
@@ -26,7 +24,7 @@
     message: "Incorrect type for body: " + repr(type(body)),
   )
 
-  assert(type(length) in (typst-length, ratio), message: "Expected `length` to be of type length or ratio, got " + repr(length))
+  assert(type(length) in (std.length, ratio), message: "Expected `length` to be of type length or ratio, got " + repr(length))
   let length = if type(length) == ratio {
     length * ly.width
   } else {
@@ -120,7 +118,7 @@
             vertices += pts
           }
         }
-        if type(drawable.stroke) == dictionary and "thickness" in drawable.stroke and type(drawable.stroke.thickness) != typst-length {
+        if type(drawable.stroke) == dictionary and "thickness" in drawable.stroke and type(drawable.stroke.thickness) != std.length {
           drawable.stroke.thickness *= length
         }
         path(
@@ -131,7 +129,7 @@
           ..vertices,
         )
       } else if drawable.type == "content" {
-        let (width, height) = util.typst-measure(drawable.body)
+        let (width, height) = std.measure(drawable.body)
         move(
           dx: (drawable.pos.at(0) - bounds.low.at(0)) * length - width / 2,
           dy: (drawable.pos.at(1) - bounds.low.at(1)) * length - height / 2,
diff --git a/src/mark.typ b/src/mark.typ
index 78b25e1c0..97e960587 100644
--- a/src/mark.typ
+++ b/src/mark.typ
@@ -7,8 +7,6 @@
 #import "mark-shapes.typ": get-mark
 #import "process.typ"
 
-#import util: typst-length
-
 /// Checks if a mark should be drawn according to the current style.
 /// - style (style): The current style.
 /// -> bool
diff --git a/src/util.typ b/src/util.typ
index 059fe32c9..2b4175f64 100644
--- a/src/util.typ
+++ b/src/util.typ
@@ -5,14 +5,9 @@
 #import "vector.typ"
 #import "bezier.typ"
 
-
 /// Constant to be used as float rounding error
 #let float-epsilon = 0.000001
 
-#let typst-measure = measure
-#let typst-length = length
-
-
 /// Multiplies vectors by a transformation matrix. If multiple vectors are given they are returned as an array, if only one vector is given only one will be returned, if a dictionary is given they will be returned in the dictionary with the same keys.
 ///
 /// - transform (matrix,function): The $4 \times 4$ transformation matrix or a function that accepts and returns a vector.
@@ -200,7 +195,7 @@
 /// - cnt (content): The content to measure.
 /// -> vector
 #let measure(ctx, cnt) = {
-  let size = typst-measure(cnt)
+  let size = std.measure(cnt)
   return (
     calc.abs(size.width / ctx.length),
     calc.abs(size.height / ctx.length)
diff --git a/src/version.typ b/src/version.typ
index 05d47a08b..f26df2280 100644
--- a/src/version.typ
+++ b/src/version.typ
@@ -1 +1 @@
-#let version = version(0,3,0)
+#let version = version(0,3,1)
diff --git a/typst.toml b/typst.toml
index 9e9d875c5..c15208384 100644
--- a/typst.toml
+++ b/typst.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cetz"
-version = "0.3.0"
+version = "0.3.1"
 compiler = "0.12.0"
 repository = "https://github.com/cetz-package/cetz"
 homepage = "https://cetz-package.github.io/"