diff --git a/config.sh b/config.sh
index 21d02d810..5509f43d8 100644
--- a/config.sh
+++ b/config.sh
@@ -5,7 +5,7 @@ ARCHIVE_SDIR=pillow-depends-main
 
 # Package versions for fresh source builds
 FREETYPE_VERSION=2.11.1
-HARFBUZZ_VERSION=3.4.0
+HARFBUZZ_VERSION=4.0.0
 LIBPNG_VERSION=1.6.37
 JPEGTURBO_VERSION=2.1.3
 OPENJPEG_VERSION=2.4.0