diff --git a/preinstall.sh b/preinstall.sh
index 53d65c9..639e226 100644
--- a/preinstall.sh
+++ b/preinstall.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 
 vips_version_minimum=8.4.2
-vips_version_latest_major_minor=8.7
-vips_version_latest_patch=1
+vips_version_latest_major_minor=8.6
+vips_version_latest_patch=5
 vips_version_full="$vips_version_latest_major_minor.$vips_version_latest_patch"
 
 openslide_version_minimum=3.4.0