diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,10 @@
 User-visible changes in hledger-ui.
-See also hledger's change log.
+See also the hledger and project change logs.
+
+
+# 1.0.1 (2016/10/27)
+
+- allow megaparsec 5.0 or 5.1
 
 
 # 1.0 (2016/10/26)
diff --git a/hledger-ui.cabal b/hledger-ui.cabal
--- a/hledger-ui.cabal
+++ b/hledger-ui.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           hledger-ui
-version:        1.0
+version:        1.0.1
 stability:      beta
 category:       Finance, Console
 synopsis:       Curses-style user interface for the hledger accounting tool
@@ -55,10 +55,10 @@
   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="1.0"
+  cpp-options: -DVERSION="1.0.1"
   build-depends:
-      hledger >= 1.0 && < 1.1
-    , hledger-lib >= 1.0 && < 1.1
+      hledger >= 1.0.1
+    , hledger-lib >= 1.0.1
     , ansi-terminal >= 0.6.2.3 && < 0.7
     , base >= 3 && < 5
     , base-compat >= 0.8.1
@@ -69,7 +69,7 @@
     , HUnit
     , microlens >= 0.4 && < 0.5
     , microlens-platform >= 0.2.3.1 && < 0.4
-    , megaparsec >= 5
+    , megaparsec >=5.0 && < 5.2
     , pretty-show >=1.6.4
     , process >= 1.2
     , safe >= 0.2