diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+reactive-banana-automation (0.5.4) upstream; urgency=medium
+
+  * Allow building with time-1.9, needed for ghc 8.8.3.
+
+ -- Joey Hess <id@joeyh.name>  Sat, 15 Aug 2020 14:04:05 -0400
+
 reactive-banana-automation (0.5.3) upstream; urgency=medium
 
   * Prepare for monad of no return, by removing redundant return
diff --git a/reactive-banana-automation.cabal b/reactive-banana-automation.cabal
--- a/reactive-banana-automation.cabal
+++ b/reactive-banana-automation.cabal
@@ -1,6 +1,6 @@
 Name: reactive-banana-automation
-Version: 0.5.3
-Cabal-Version: >= 1.8
+Version: 0.5.4
+Cabal-Version: >= 1.10
 License: AGPL-3
 Maintainer: Joey Hess <id@joeyh.name>
 Author: Joey Hess
@@ -28,10 +28,11 @@
 
 Library
   ghc-Options: -Wall -fno-warn-tabs
+  Default-Language: Haskell2010
   Build-Depends:
     base (>= 4.9 && < 5.0),
     reactive-banana (>= 1.1 && < 1.3),
-    time (>= 1.6 && < 1.9),
+    time (>= 1.6 && < 1.10),
     stm (>= 2.4 && < 2.6),
     transformers (>= 0.5 && < 0.6)
   Exposed-Modules:
@@ -40,6 +41,7 @@
 
 test-suite doctests
   type: exitcode-stdio-1.0
+  Default-Language: Haskell2010
   ghc-options: -threaded -fno-warn-tabs
   main-is: doctests.hs
   build-depends: base, doctest >= 0.13