diff --git a/scripts/cavif b/scripts/cavif
new file mode 100755
index 00000000..0483e599
Binary files /dev/null and b/scripts/cavif differ
diff --git a/scripts/deploy-ebook-to-www b/scripts/deploy-ebook-to-www
index f2011600..03ff2533 100755
--- a/scripts/deploy-ebook-to-www
+++ b/scripts/deploy-ebook-to-www
@@ -131,7 +131,7 @@ require "git" "Try: apt-get install git"
 require "php" "Try: apt-get install php-cli"
 require "se" "Read: https://standardebooks.org/tools"
 
-# go-avif is compiled from https://github.com/Kagami/go-avif/
+# cavif is compiled via Cargo: https://github.com/kornelski/cavif-rs
 
 scriptsDir="$(dirname "$(readlink -f "$0")")"
 
@@ -233,8 +233,8 @@ do
 		convert -resize "1318" -crop "1318x439+0+659" -sampling-factor 4:2:0 -strip -quality 80 -colorspace RGB -interlace JPEG "${imgWorkDir}/${urlSafeIdentifier}.jpg" "${imgWorkDir}/${urlSafeIdentifier}-hero.jpg"
 		convert -resize "2636" -crop "2636x860+0+1318" -sampling-factor 4:2:0 -strip -quality 80 -colorspace RGB -interlace JPEG "${imgWorkDir}/${urlSafeIdentifier}.jpg" "${imgWorkDir}/${urlSafeIdentifier}-hero@2x.jpg"
 
-		"${scriptsDir}"/go-avif -e "${imgWorkDir}/${urlSafeIdentifier}-hero.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-hero.avif" --best
-		"${scriptsDir}"/go-avif -e "${imgWorkDir}/${urlSafeIdentifier}-hero@2x.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-hero@2x.avif" --best
+		"${scriptsDir}"/cavif --quality 50 "${imgWorkDir}/${urlSafeIdentifier}-hero.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-hero.avif"
+		"${scriptsDir}"/cavif --quality 50 "${imgWorkDir}/${urlSafeIdentifier}-hero@2x.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-hero@2x.avif"
 
 		# Build the cover image thumbnail
 		# We use JPG instead of SVG for several reasons:
@@ -247,9 +247,8 @@ do
 		convert -resize "242" -sampling-factor 4:2:0 -strip -quality 80 -colorspace RGB -interlace JPEG "${imgWorkDir}/${urlSafeIdentifier}.svg" "${imgWorkDir}/${urlSafeIdentifier}-cover.jpg"
 		convert -resize "484" -sampling-factor 4:2:0 -strip -quality 80 -colorspace RGB -interlace JPEG "${imgWorkDir}/${urlSafeIdentifier}.svg" "${imgWorkDir}/${urlSafeIdentifier}-cover@2x.jpg"
 
-		# go-avif is extremely slow and should be replaced with something faster ASAP
-		"${scriptsDir}"/go-avif -e "${imgWorkDir}/${urlSafeIdentifier}-cover.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-cover.avif" --best
-		"${scriptsDir}"/go-avif -e "${imgWorkDir}/${urlSafeIdentifier}-cover@2x.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-cover@2x.avif" --best
+		"${scriptsDir}"/cavif --quality 50 "${imgWorkDir}/${urlSafeIdentifier}-cover.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-cover.avif"
+		"${scriptsDir}"/cavif --quality 50 "${imgWorkDir}/${urlSafeIdentifier}-cover@2x.jpg" -o "${imgWorkDir}/${urlSafeIdentifier}-cover@2x.avif"
 
 		sudo chgrp --preserve-root --recursive "${group}" "${imgWorkDir}/${urlSafeIdentifier}"*
 		sudo chmod --preserve-root --recursive g+w "${imgWorkDir}/${urlSafeIdentifier}"*
diff --git a/scripts/go-avif b/scripts/go-avif
deleted file mode 100755
index a1e15264..00000000
Binary files a/scripts/go-avif and /dev/null differ