diff --git a/changelog.d/1593 b/changelog.d/1593
new file mode 100644
index 00000000..a3bcded8
--- /dev/null
+++ b/changelog.d/1593
@@ -0,0 +1,2 @@
+synopsis: Generalize type of Servant.Types.SourceT.source to any foldable.
+prs: 1593