diff --git a/test/Makefile.am b/test/Makefile.am
index 7b4ac7eb9..8a38df001 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -403,9 +403,11 @@ REFERENCE_IMAGES = \
 	ft-show-glyphs-positioning-svg-ref.png		\
 	ft-show-glyphs-table-ref.png			\
 	ft-show-glyphs-table-ps-ref.png			\
+	ft-text-vertical-layout-type1-pdf-ref.png	\
 	ft-text-vertical-layout-type1-ps-ref.png	\
 	ft-text-vertical-layout-type1-ref.png	\
 	ft-text-vertical-layout-type1-svg-ref.png	\
+	ft-text-vertical-layout-type3-pdf-ref.png	\
 	ft-text-vertical-layout-type3-ps-ref.png	\
 	ft-text-vertical-layout-type3-ref.png	\
 	ft-text-vertical-layout-type3-svg-ref.png	\
diff --git a/test/clip-operator-pdf-argb32-ref.png b/test/clip-operator-pdf-argb32-ref.png
index 6513e0e38..b00cc00f7 100644
Binary files a/test/clip-operator-pdf-argb32-ref.png and b/test/clip-operator-pdf-argb32-ref.png differ
diff --git a/test/ft-text-vertical-layout-type1-pdf-ref.png b/test/ft-text-vertical-layout-type1-pdf-ref.png
new file mode 100644
index 000000000..1fa9ecd45
Binary files /dev/null and b/test/ft-text-vertical-layout-type1-pdf-ref.png differ
diff --git a/test/ft-text-vertical-layout-type3-pdf-ref.png b/test/ft-text-vertical-layout-type3-pdf-ref.png
new file mode 100644
index 000000000..04e679b48
Binary files /dev/null and b/test/ft-text-vertical-layout-type3-pdf-ref.png differ
diff --git a/test/push-group-pdf-ref.png b/test/push-group-pdf-ref.png
index a7aace04c..e016dbd7d 100644
Binary files a/test/push-group-pdf-ref.png and b/test/push-group-pdf-ref.png differ
diff --git a/test/push-group-pdf-rgb24-ref.png b/test/push-group-pdf-rgb24-ref.png
index d45cf6e12..7e84ec831 100644
Binary files a/test/push-group-pdf-rgb24-ref.png and b/test/push-group-pdf-rgb24-ref.png differ