diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cf129e..a17d98e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# hpqtypes-extras-1.21.0.0 (2026-??-??)
+# hpqtypes-extras-1.21.0.0 (2026-09-18)
 * `migrateDatabase` and `checkDatabase` now require PostgreSQL 15 or later. On an
   older server they stop with an error.
 * Remove `checkAndRememberMaterializationSupport`. All supported servers
diff --git a/cabal.project b/cabal.project
index c6eb84f..e6fdbad 100644
--- a/cabal.project
+++ b/cabal.project
@@ -1,11 +1 @@
 packages: .
-
-if impl(ghc >= 9.14)
-  allow-newer:
-    , *:base
-    , *:template-haskell
-    , aeson:containers
-    , aeson:indexed-traversable
-    , aeson:semialign
-    , aeson:time
-    , indexed-traversable:containers