diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for configurator-pg
 
+## 0.2.4 -- 2020-09-04
+
+* Allow megaparsec-9.0.
+
 ## 0.2.3 -- 2020-04-19
 
 * Drop support for GHC 7.10.
diff --git a/configurator-pg.cabal b/configurator-pg.cabal
--- a/configurator-pg.cabal
+++ b/configurator-pg.cabal
@@ -1,6 +1,6 @@
 cabal-version:       1.12
 name:                configurator-pg
-version:             0.2.3
+version:             0.2.4
 synopsis:            Reduced parser for configurator-ng config files
 description:
   This module provides a simplified and updated interface to the
@@ -34,7 +34,7 @@
                        Data.Configurator.Syntax
                        Data.Configurator.Types
   build-depends:       base                 >= 4.9 && < 4.15
-                     , megaparsec           >= 7.0.0 && < 8.1
+                     , megaparsec           >= 7.0.0 && < 9.1
                      , containers           >= 0.5.6.2 && < 0.7
                      , protolude            >= 0.1.10 && < 0.4
                      , scientific           >= 0.3.4.9 && < 0.4