diff --git a/bypy/sources.json b/bypy/sources.json
index 3a7ea9cac..760258779 100644
--- a/bypy/sources.json
+++ b/bypy/sources.json
@@ -59,10 +59,10 @@
     },
 
     {
-        "name": "libxml2 2.14.6",
+        "name": "libxml2 2.15.3",
         "unix": {
             "file_extension": "tar.xz",
-            "hash": "sha256:7ce458a0affeb83f0b55f1f4f9e0e55735dbfc1a9de124ee86fb4a66b597203a",
+            "hash": "sha256:78262a6e7ac170d6528ebfe2efccdf220191a5af6a6cd61ea4a9a9a5042c7a07",
             "urls": ["https://download.gnome.org/sources/libxml2/{version_except_last}/{filename}"]
         }
     },