diff --git a/changelog.d/9988.doc b/changelog.d/9988.doc
new file mode 100644
index 0000000000..87cda376a6
--- /dev/null
+++ b/changelog.d/9988.doc
@@ -0,0 +1 @@
+Fix outdated minimum PostgreSQL version in postgres.md.
diff --git a/docs/postgres.md b/docs/postgres.md
index 680685d04e..b99fad8a6e 100644
--- a/docs/postgres.md
+++ b/docs/postgres.md
@@ -1,6 +1,6 @@
 # Using Postgres
 
-Postgres version 9.5 or later is known to work.
+Synapse supports PostgreSQL versions 9.6 or later.
 
 ## Install postgres client libraries