diff --git a/README.md b/README.md
index 6907a78..1fa00af 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@ This library is being actively developed and we'd be happy for you to use it.
 
 ![Github Actions](https://github.com/treeform/pixie/workflows/Github%20Actions/badge.svg)
 
+[API reference](https://nimdocs.com/treeform/pixie)
+
 Features:
 * Typesetting and rasterizing text, including styled rich text via spans.
 * Drawing paths, shapes and curves with even-odd and non-zero windings.
@@ -23,10 +25,6 @@ Features:
 * Complex blends: Darken, Multiply, Color Dodge, Hue, Luminosity... etc.
 * Many operations are SIMD accelerated.
 
-### Documentation
-
-API reference: https://nimdocs.com/treeform/pixie/pixie.html
-
 ### Image file formats
 
 Format        | Read          | Write         |
diff --git a/pixie.nimble b/pixie.nimble
index 476da3b..c14ed57 100644
--- a/pixie.nimble
+++ b/pixie.nimble
@@ -8,7 +8,7 @@ srcDir = "src"
 requires "nim >= 1.4.8"
 requires "vmath >= 1.1.4"
 requires "chroma >= 0.2.5"
-requires "zippy >= 0.9.7"
+requires "zippy >= 0.9.9"
 requires "flatty >= 0.3.3"
 requires "nimsimd >= 1.0.0"
 requires "bumpy >= 1.1.1"