diff --git a/docs/changelog.md b/docs/changelog.md
index ab38fca3..65deb379 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -9,6 +9,14 @@ Requires libvips v8.12.2
 * Ensure tiled composition always works with outside resizing.
   [#3227](https://github.com/lovell/sharp/issues/3227)
 
+* Allow WebP encoding effort of 0.
+  [#3261](https://github.com/lovell/sharp/pull/3261)
+  [@AlexanderTheGrey](https://github.com/AlexanderTheGrey)
+
+* Prevent upsampling via libwebp.
+  [#3267](https://github.com/lovell/sharp/pull/3267)
+  [@blacha](https://github.com/blacha)
+
 ### v0.30.6 - 30th May 2022
 
 * Allow values for `limitInputPixels` larger than 32-bit.
diff --git a/docs/humans.txt b/docs/humans.txt
index 2d622272..42f2a840 100644
--- a/docs/humans.txt
+++ b/docs/humans.txt
@@ -248,3 +248,9 @@ GitHub: https://github.com/ankurparihar
 
 Name: Joona Heinikoski
 GitHub: https://github.com/joonamo
+
+Name: AlexanderTheGrey
+GitHub: https://github.com/AlexanderTheGrey
+
+Name: Blayne Chard
+GitHub: https://github.com/blacha