diff -r 39ed19f12dca -r 6b2f31da9610 plugins/vcard_update.lua
--- a/plugins/vcard_update.lua	Tue May 23 19:46:52 2023 +0200
+++ b/plugins/vcard_update.lua	Sat May 20 20:48:03 2023 +0200
@@ -3,10 +3,10 @@
 -- local xmlns_vcard = "vcard-temp";
 local xmlns_vcard_update = "vcard-temp:x:update";
 
-local sha1 = require("util.hashes").sha1;
+local sha1 = require("prosody.util.hashes").sha1;
 
 local ok, fun = pcall(function()
-	local unb64 = require("util.encodings").base64.decode;
+	local unb64 = require("prosody.util.encodings").base64.decode;
 	assert(unb64("SGVsbG8=") == "Hello")
 	return unb64;
 end);