diff --git a/Dockerfile b/Dockerfile
index 01d13e3..674622f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -141,7 +141,7 @@ ONBUILD RUN composer install --prefer-dist --no-scripts --no-progress --no-inter
 
 # run yarn install
 ONBUILD COPY *package*.json *yarn.lock .yarn* *.npmrc Dockerfile /app/user/
-ONBUILD RUN [ -f yarn.lock ] && yarn install --no-progress --ignore-scripts --network-timeout 1000000 || yarn install --mode=skip-build --network-timeout 1000000
+ONBUILD RUN [ -f yarn.lock ] && yarn install --mode=skip-build --network-timeout 1000000
 
 # rest of app
 ONBUILD COPY . /app/user/
@@ -152,4 +152,4 @@ ONBUILD RUN composer dump-autoload
 
 # run yarn hooks
 ENV CPPFLAGS="-DPNG_ARM_NEON_OPT=0"
-ONBUILD RUN [ -f yarn.lock ] && yarn install --force --no-progress || yarn rebuild
+ONBUILD RUN [ -f yarn.lock ] && yarn rebuild
diff --git a/README.md b/README.md
index 8c87e34..ee28cce 100644
--- a/README.md
+++ b/README.md
@@ -9,5 +9,5 @@ Usage: `FROM ghcr.io/robuust/heroku-php`
 * Nginx
 * PHP 8.3.x with Redis, Imagick and PCov
 * Composer 2
-* Yarn (classic and modern)
 * Node 22.x
+* Yarn 4.x