diff --git a/src/util/processAvifImage.js b/src/util/processAvifImage.js
index e66d29c..94eaa60 100644
--- a/src/util/processAvifImage.js
+++ b/src/util/processAvifImage.js
@@ -35,9 +35,9 @@ export default async function processAvifImage(inputBuffer) {
         })
       : sharp(input)
           .resize(FULL_MAX, FULL_MAX, { fit: 'inside', withoutEnlargement: true })
-          .avif({ effort: 4 })
+          .avif({ effort: 2 })
           .toBuffer({ resolveWithObject: true }),
-    thumbPipeline.clone().avif({ effort: 4 }).toBuffer({ resolveWithObject: true }),
+    thumbPipeline.clone().avif({ effort: 2 }).toBuffer({ resolveWithObject: true }),
     thumbPipeline
       .clone()
       .resize(100, 100, { fit: 'inside', withoutEnlargement: true })