diff --git a/sources b/sources
index 70a8a5a..5c732ba 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-f51475ae44718a28866d2123886ffd8e  pngquant-2.5.1.tar.gz
+d03887ea90cc976acbf8b4d557f1d0ed  pngquant-2.5.2.tar.gz