diff --git a/hledger-lib/hledger-lib.cabal b/hledger-lib/hledger-lib.cabal
index 519c40a4e..f40a7eedc 100644
--- a/hledger-lib/hledger-lib.cabal
+++ b/hledger-lib/hledger-lib.cabal
@@ -4,10 +4,10 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 562b07c743e67f55f539704cf37da021e6ec23c3b47b3bc3f673875b1feb256f
+-- hash: a604ce23a128bb6cf15351a33b24e7d1095f46624e7e066a5e07473c681da8da
 
 name:           hledger-lib
-version:        1.19
+version:        1.19.99
 synopsis:       A reusable library providing the core functionality of hledger
 description:    A reusable library containing hledger's core functionality.
                 This is used by most hledger* packages so that they support the same
@@ -130,7 +130,7 @@ library
     , file-embed >=0.0.10
     , filepath
     , hashtables >=1.2.3.1
-    , megaparsec >=7.0.0 && <8.1
+    , megaparsec >=7.0.0 && <9.1
     , mtl >=2.2.1
     , old-time
     , parsec >=3
@@ -183,7 +183,7 @@ test-suite doctest
     , file-embed >=0.0.10
     , filepath
     , hashtables >=1.2.3.1
-    , megaparsec >=7.0.0 && <8.1
+    , megaparsec >=7.0.0 && <9.1
     , mtl >=2.2.1
     , old-time
     , parsec >=3
@@ -238,7 +238,7 @@ test-suite unittest
     , filepath
     , hashtables >=1.2.3.1
     , hledger-lib
-    , megaparsec >=7.0.0 && <8.1
+    , megaparsec >=7.0.0 && <9.1
     , mtl >=2.2.1
     , old-time
     , parsec >=3
diff --git a/hledger-ui/hledger-ui.cabal b/hledger-ui/hledger-ui.cabal
index 35ba23af6..5eebb6528 100644
--- a/hledger-ui/hledger-ui.cabal
+++ b/hledger-ui/hledger-ui.cabal
@@ -4,10 +4,10 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 9c9563df8beea6e2445dd5e1c364b74dda6a40513d9b5e368dbc2ec8df13c90f
+-- hash: 057371c2b8cf46c32339a64339eaf98ac7247396cf8bb2dad13e99a5931cd62f
 
 name:           hledger-ui
-version:        1.19
+version:        1.19.99
 synopsis:       Curses-style terminal interface for the hledger accounting system
 description:    A simple curses-style terminal user interface for the hledger accounting system.
                 It can be a more convenient way to browse your accounts than the CLI.
@@ -64,7 +64,7 @@ executable hledger-ui
   hs-source-dirs:
       ./.
   ghc-options: -Wall -fno-warn-unused-do-bind -fno-warn-name-shadowing -fno-warn-missing-signatures -fno-warn-type-defaults -fno-warn-orphans
-  cpp-options: -DVERSION="1.19"
+  cpp-options: -DVERSION="1.19.99"
   build-depends:
       ansi-terminal >=0.9
     , async
@@ -78,9 +78,9 @@ executable hledger-ui
     , extra >=1.6.3
     , filepath
     , fsnotify >=0.2.1.2 && <0.4
-    , hledger >=1.19 && <1.20
-    , hledger-lib >=1.19 && <1.20
-    , megaparsec >=7.0.0 && <8.1
+    , hledger >=1.19.99 && <1.20
+    , hledger-lib >=1.19.99 && <1.20
+    , megaparsec >=7.0.0 && <9.1
     , microlens >=0.4
     , microlens-platform >=0.2.3.1
     , pretty-show >=1.6.4
diff --git a/hledger/hledger.cabal b/hledger/hledger.cabal
index 9e6e6ab73..97e27d6d6 100644
--- a/hledger/hledger.cabal
+++ b/hledger/hledger.cabal
@@ -4,10 +4,10 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 57200bf2d62853fd94cae6fdd76f98cd03cfba2b551e706fc6ac8e7650796c7f
+-- hash: 3becac2b267d30f6ce283af8e9b43dfa4f6ea374f6854da6c2272779fe3cb12c
 
 name:           hledger
-version:        1.19
+version:        1.19.99
 synopsis:       Command-line interface for the hledger accounting system
 description:    The command-line interface for the hledger accounting system.
                 Its basic function is to read a plain text file describing
@@ -148,7 +148,7 @@ library
   other-modules:
       Paths_hledger
   ghc-options: -Wall -fno-warn-unused-do-bind -fno-warn-name-shadowing -fno-warn-missing-signatures -fno-warn-type-defaults -fno-warn-orphans -optP-Wno-nonportable-include-path
-  cpp-options: -DVERSION="1.19"
+  cpp-options: -DVERSION="1.19.99"
   build-depends:
       Decimal >=0.5.1
     , Diff
@@ -165,10 +165,10 @@ library
     , filepath
     , hashable >=1.2.4
     , haskeline >=0.6
-    , hledger-lib >=1.19 && <1.20
+    , hledger-lib >=1.19.99 && <1.20
     , lucid
     , math-functions >=0.3.3.0
-    , megaparsec >=7.0.0 && <8.1
+    , megaparsec >=7.0.0 && <9.1
     , mtl >=2.2.1
     , old-time
     , parsec >=3
@@ -201,7 +201,7 @@ executable hledger
   hs-source-dirs:
       app
   ghc-options: -Wall -fno-warn-unused-do-bind -fno-warn-name-shadowing -fno-warn-missing-signatures -fno-warn-type-defaults -fno-warn-orphans -optP-Wno-nonportable-include-path
-  cpp-options: -DVERSION="1.19"
+  cpp-options: -DVERSION="1.19.99"
   build-depends:
       Decimal >=0.5.1
     , aeson >=1
@@ -217,9 +217,9 @@ executable hledger
     , filepath
     , haskeline >=0.6
     , hledger
-    , hledger-lib >=1.19 && <1.20
+    , hledger-lib >=1.19.99 && <1.20
     , math-functions >=0.3.3.0
-    , megaparsec >=7.0.0 && <8.1
+    , megaparsec >=7.0.0 && <9.1
     , mtl >=2.2.1
     , old-time
     , parsec >=3
@@ -253,7 +253,7 @@ test-suite unittest
   hs-source-dirs:
       test
   ghc-options: -Wall -fno-warn-unused-do-bind -fno-warn-name-shadowing -fno-warn-missing-signatures -fno-warn-type-defaults -fno-warn-orphans -optP-Wno-nonportable-include-path
-  cpp-options: -DVERSION="1.19"
+  cpp-options: -DVERSION="1.19.99"
   build-depends:
       Decimal >=0.5.1
     , aeson >=1
@@ -269,9 +269,9 @@ test-suite unittest
     , filepath
     , haskeline >=0.6
     , hledger
-    , hledger-lib >=1.19 && <1.20
+    , hledger-lib >=1.19.99 && <1.20
     , math-functions >=0.3.3.0
-    , megaparsec >=7.0.0 && <8.1
+    , megaparsec >=7.0.0 && <9.1
     , mtl >=2.2.1
     , old-time
     , parsec >=3
@@ -319,10 +319,10 @@ benchmark bench
     , filepath
     , haskeline >=0.6
     , hledger
-    , hledger-lib >=1.19 && <1.20
+    , hledger-lib >=1.19.99 && <1.20
     , html
     , math-functions >=0.3.3.0
-    , megaparsec >=7.0.0 && <8.1
+    , megaparsec >=7.0.0 && <9.1
     , mtl >=2.2.1
     , old-time
     , parsec >=3