diff --git a/crates/matrix-sdk-crypto/changelog.d/6660.internal b/crates/matrix-sdk-crypto/changelog.d/6660.internal
new file mode 100644
index 000000000..2fdcbabd1
--- /dev/null
+++ b/crates/matrix-sdk-crypto/changelog.d/6660.internal
@@ -0,0 +1 @@
+Move `types::Signature` and `types::Signatures` into submodules of `types`.