diff --git a/bindings/bindings.nim b/bindings/bindings.nim
index beae1de..82dbc0e 100644
--- a/bindings/bindings.nim
+++ b/bindings/bindings.nim
@@ -99,7 +99,7 @@ exportSeq seq[float32]:
 exportSeq seq[Span]:
   procs:
     typeset(seq[Span], Vec2, HorizontalAlignment, VerticalAlignment, bool)
-    computeBounds(seq[Span])
+    layoutBounds(seq[Span])
 
 exportRefObject Image:
   fields:
@@ -232,7 +232,7 @@ exportRefObject Font:
     scale(Font)
     defaultLineHeight
     typeset(Font, string, Vec2, HorizontalAlignment, VerticalAlignment, bool)
-    computeBounds(Font, string)
+    layoutBounds(Font, string)
 
 exportRefObject Span:
   fields:
@@ -243,7 +243,8 @@ exportRefObject Span:
 
 exportRefObject Arrangement:
   procs:
-    computeBounds(Arrangement)
+    layoutBounds(Arrangement)
+    computeBounds(Arrangement, Mat3)
 
 exportRefObject Context:
   fields:
diff --git a/pixie.nimble b/pixie.nimble
index 2f87b83..8fdc8ac 100644
--- a/pixie.nimble
+++ b/pixie.nimble
@@ -1,4 +1,4 @@
-version     = "4.1.0"
+version     = "4.2.0"
 author      = "Andre von Houck and Ryan Oldenburg"
 description = "Full-featured 2d graphics library for Nim."
 license     = "MIT"
@@ -6,7 +6,7 @@ license     = "MIT"
 srcDir = "src"
 
 requires "nim >= 1.4.8"
-requires "vmath >= 1.1.0"
+requires "vmath >= 1.1.4"
 requires "chroma >= 0.2.5"
 requires "zippy >= 0.9.7"
 requires "flatty >= 0.2.4"
diff --git a/src/pixie/fonts.nim b/src/pixie/fonts.nim
index 9c14e6a..d0b1410 100644
--- a/src/pixie/fonts.nim
+++ b/src/pixie/fonts.nim
@@ -598,7 +598,7 @@ proc textUber(
 proc computeBounds*(
   arrangement: Arrangement,
   transform = mat3()
-): Rect =
+): Rect {.raises: [PixieError].} =
   let fullPath = newPath()
   for path in arrangement.computePaths():
     fullPath.addPath(path)