diff --git a/sync.profile b/sync.profile
index 9548e0fc82b2dca93337b39e8a2f7c0f9197b3ad..542e919e9015779c99cad306357e535a5c0e49b9 100644
--- a/sync.profile
+++ b/sync.profile
@@ -12,3 +12,15 @@
 %modulepris = (
     "QtXmlPatterns" => "$basedir/modules/qt_xmlpatterns.pri",
 );
+# Modules and programs, and their dependencies.
+# Each of the module version specifiers can take one of the following values:
+#   - A specific Git revision.
+#   - "LATEST_REVISION", to always test against the latest revision.
+#   - "LATEST_RELEASE", to always test against the latest public release.
+#   - "THIS_REPOSITORY", to indicate that the module is in this repository.
+%dependencies = (
+    "QtXmlPatterns" => {
+        "QtCore" => "0c637cb07ba3c9b353e7e483a209537485cc4e2a",
+        "QtNetwork" => "0c637cb07ba3c9b353e7e483a209537485cc4e2a",
+    },
+);