diff --git a/.changeset/gentle-icons-wave.md b/.changeset/gentle-icons-wave.md
new file mode 100644
index 0000000000..850d49b78a
--- /dev/null
+++ b/.changeset/gentle-icons-wave.md
@@ -0,0 +1,7 @@
+---
+"@jspsych/extension-mouse-tracking": minor
+"@jspsych/extension-record-video": minor
+"@jspsych/extension-webgazer": minor
+---
+
+Extensions now return an extension_type and extension_version when returning data (metadata purposes).