diff --git a/changelog.d/19239.misc b/changelog.d/19239.misc
new file mode 100644
index 0000000000..fd5757eb77
--- /dev/null
+++ b/changelog.d/19239.misc
@@ -0,0 +1 @@
+Prompt user to consider adding future deprecations to the changelog in release script.
diff --git a/scripts-dev/release.py b/scripts-dev/release.py
index ba95a19382..17eadbf6c3 100755
--- a/scripts-dev/release.py
+++ b/scripts-dev/release.py
@@ -291,6 +291,12 @@ def _prepare() -> None:
     synapse_repo.git.add("-u")
     subprocess.run("git diff --cached", shell=True)
 
+    print(
+        "Consider any upcoming platform deprecations that should be mentioned in the changelog. (e.g. upcoming Python, PostgreSQL or SQLite deprecations)"
+    )
+    print(
+        "Platform deprecations should be mentioned at least 1 release prior to being unsupported."
+    )
     if click.confirm("Edit changelog?", default=False):
         click.edit(filename="CHANGES.md")