diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,12 @@
+3.0.0.9 (2023-03-19):
+    - Added `Tested-With: GHC == 9.6.1` (didn't actually need to
+      nudge the upper bound on 'base', because it's already lenient)
+3.0.0.8 (2022-08-28):
+    - Added `Tested-With: GHC == 9.4.1` (didn't actually need to
+      nudge the upper bound on 'base', because it's already lenient)
+3.0.0.7 (2021-11-22):
+    - Added `Tested-With: GHC == 9.2.1` (didn't actually need to
+      nudge the upper bound on 'base', because it's already lenient)
 3.0.0.6 (2021-10-17):
     - Removed old __HADDOCK__ hack
     - Updating stale emails, urls, etc
diff --git a/stm-chans.cabal b/stm-chans.cabal
--- a/stm-chans.cabal
+++ b/stm-chans.cabal
@@ -1,20 +1,25 @@
+Cabal-Version:  2.2
+-- Cabal >=2.2 is required for:
+--    <https://cabal.readthedocs.io/en/latest/cabal-package.html#common-stanzas>
+-- Since 2.1, the Cabal-Version must be the absolutely first thing
+-- in the file, even before comments.  Also, no longer uses ">=".
+--    <https://github.com/haskell/cabal/issues/4899>
+
 ----------------------------------------------------------------
--- wren gayle romano <wren@cpan.org>                ~ 2021.10.17
+-- wren gayle romano <wren@cpan.org>                ~ 2023.03.19
 ----------------------------------------------------------------
 
--- Cabal >=1.10 is required by Hackage.
-Cabal-Version:  >= 1.10
-Build-Type:     Simple
-
 Name:           stm-chans
-Version:        3.0.0.6
+Version:        3.0.0.9
+Build-Type:     Simple
 Stability:      provisional
 Homepage:       https://wrengr.org/software/hackage.html
 Bug-Reports:    https://github.com/wrengr/stm-chans/issues
 Author:         wren gayle romano, Thomas DuBuisson
 Maintainer:     wren@cpan.org
-Copyright:      Copyright (c) 2011–2021 wren gayle romano
-License:        BSD3
+Copyright:      2011–2023 wren romano
+-- Cabal-2.2 requires us to say "BSD-3-Clause" not "BSD3"
+License:        BSD-3-Clause
 License-File:   LICENSE
 
 Category:       Concurrency
@@ -33,7 +38,10 @@
     GHC ==8.6.5,
     GHC ==8.8.4,
     GHC ==8.10.3,
-    GHC ==9.0.1
+    GHC ==9.0.1,
+    GHC ==9.2.4,
+    GHC ==9.4.4,
+    GHC ==9.6.1
 
 ----------------------------------------------------------------
 Source-Repository head
