diff --git a/fonts/layer_builder.sh b/fonts/layer_builder.sh
index 0d8951a..20cb972 100755
--- a/fonts/layer_builder.sh
+++ b/fonts/layer_builder.sh
@@ -7,9 +7,9 @@ cd /tmp
 yumdownloader \
     dejavu-sans-fonts \
     dejavu-fonts-common \
-    xorg-x11-fonts-Type1 $@
+    xorg-x11-fonts-Type1 "$@"
 
-rpmdev-extract *rpm
+rpmdev-extract -- *rpm
 
 mkdir /opt/fonts
 cp -P -r /tmp/*/usr/share/fonts/* /opt/fonts
diff --git a/weasyprint/lambda_function.py b/weasyprint/lambda_function.py
index bb3619b..f851020 100644
--- a/weasyprint/lambda_function.py
+++ b/weasyprint/lambda_function.py
@@ -14,7 +14,7 @@ def lambda_handler(event, context):
         content_type = "application/pdf"
         method = "write_pdf"
     elif ext == ".png":
-        content_type = f"image/png"
+        content_type = "image/png"
         method = "write_png"
     else:
         raise ValueError("File extension {ext} is not supported.")
diff --git a/weasyprint/layer_builder.sh b/weasyprint/layer_builder.sh
index 4e3c983..bc50d35 100755
--- a/weasyprint/layer_builder.sh
+++ b/weasyprint/layer_builder.sh
@@ -16,37 +16,24 @@ yumdownloader --resolve \
     libblkid.x86_64 \
     glib2.x86_64 \
 
-rpmdev-extract *rpm
+rpmdev-extract -- *rpm
 
 mkdir /opt/lib
 cp -P -r /tmp/*/usr/lib64/* /opt/lib
 # pixbuf need list loaders cache
 # https://developer.gnome.org/gdk-pixbuf/stable/gdk-pixbuf-query-loaders.html
 PIXBUF_BIN=$(find /tmp -name gdk-pixbuf-query-loaders-64)
-export GDK_PIXBUF_MODULEDIR=$(find /opt/lib/gdk-pixbuf-2.0/ -name loaders)
+GDK_PIXBUF_MODULEDIR=$(find /opt/lib/gdk-pixbuf-2.0/ -name loaders)
+export GDK_PIXBUF_MODULEDIR
 $PIXBUF_BIN > /opt/lib/loaders.cache
 # pixbuf need mime database
 # https://www.linuxtopia.org/online_books/linux_desktop_guides/gnome_2.14_admin_guide/mimetypes-database.html
 cp -r /usr/share/mime /opt/lib/mime
 
-export RUNTIME=$(echo $AWS_EXECUTION_ENV | cut -d _ -f 3)
-mkdir -p /opt/python/lib/$RUNTIME/site-packages
-python -m pip install weasyprint -t /opt/python/lib/$RUNTIME/site-packages
-
-# fix dlopen(3) calls
-cd /opt/python/lib/$RUNTIME/site-packages
-sed -i "s/'libgdk_pixbuf-2.0.so'/'libgdk_pixbuf-2.0.so.0'/" cairocffi/pixbuf.py
-sed -i "s/'libgobject-2.0.so'/'libgobject-2.0.so.0'/" cairocffi/pixbuf.py
-sed -i "s/'libglib-2.0.so'/'libglib-2.0.so.0'/" cairocffi/pixbuf.py
-sed -i "s/'libcairo.so'/'libcairo.so.2'/" cairocffi/__init__.py
-sed -i "s/'libfontconfig.so'/'libfontconfig.so.1'/" weasyprint/fonts.py
-sed -i "s/'libpangoft2-1.0.so'/'libpangoft2-1.0.so.0'/" weasyprint/fonts.py
-sed -i "s/'libgobject-2.0.so'/'libgobject-2.0.so.0'/" weasyprint/fonts.py
-sed -i "s/'libpango-1.0.so'/'libpango-1.0.so.0'/" weasyprint/fonts.py
-sed -i "s/'libpangocairo-1.0.so'/'libpangocairo-1.0.so.0'/" weasyprint/fonts.py
-sed -i "s/'libgobject-2.0.so'/'libgobject-2.0.so.0'/" weasyprint/text.py
-sed -i "s/'libpango-1.0.so'/'libpango-1.0.so.0'/" weasyprint/text.py
-sed -i "s/'libpangocairo-1.0.so'/'libpangocairo-1.0.so.0'/" weasyprint/text.py
+RUNTIME=$(echo "$AWS_EXECUTION_ENV" | cut -d _ -f 3)
+export RUNTIME
+mkdir -p "/opt/python/lib/$RUNTIME/site-packages"
+python -m pip install "weasyprint>=52.2" -t "/opt/python/lib/$RUNTIME/site-packages"
 
 cd /opt
 zip -r9 /out/layer.zip lib/* python/*
diff --git a/wkhtmltox/layer_builder.sh b/wkhtmltox/layer_builder.sh
index 418305c..d2dfe98 100644
--- a/wkhtmltox/layer_builder.sh
+++ b/wkhtmltox/layer_builder.sh
@@ -17,7 +17,7 @@ yumdownloader --resolve \
     expat.x86_64 \
     libuuid.x86_64 \
 
-rpmdev-extract *rpm
+rpmdev-extract -- *rpm
 mkdir /opt/lib
 cp -P -r /tmp/*/usr/lib64/* /opt/lib/