diff --git a/doc/CHANGES b/doc/CHANGES
index 966015f81..d3b511a6d 100644
--- a/doc/CHANGES
+++ b/doc/CHANGES
@@ -2,6 +2,11 @@ Project-wide changes in the hledger project.
 See also the package change logs.
 
 
+# 1.0.1 (2016/10/27)
+
+- change log/release note fixes
+
+
 # 1.0 (2016/10/26)
 
 ## misc
diff --git a/doc/release-notes.org b/doc/release-notes.org
index 6d109e72e..0c36a6ceb 100644
--- a/doc/release-notes.org
+++ b/doc/release-notes.org
@@ -6,6 +6,19 @@ Since 1.0, this is the master source for package and project change logs
 In principle, only this file should be edited directly; after 1.0 perhaps
 those others will be generated fully automatically.
 
+* 2016/10/27 1.0.1
+** project-wide changes
+*** change log/release note fixes
+** hledger-lib 1.0.1
+*** allow megaparsec 5.0 or 5.1
+** hledger 1.0.1
+*** allow megaparsec 5.0 or 5.1
+*** fix benchmark build failure (#423)
+** hledger-ui 1.0.1
+*** allow megaparsec 5.0 or 5.1
+** hledger-web 1.0.1
+*** allow megaparsec 5.0 or 5.1
+** hledger-api 1.0.1
 * 2016/10/26 1.0
 ** project-wide changes
 *** misc
diff --git a/hledger-lib/CHANGES b/hledger-lib/CHANGES
index fecedc0a2..ad73f228c 100644
--- a/hledger-lib/CHANGES
+++ b/hledger-lib/CHANGES
@@ -2,6 +2,11 @@ API-ish changes in the hledger-lib package.
 See also the hledger and project change logs (for user-visible changes).
 
 
+# 1.0.1 (2016/10/27)
+
+- allow megaparsec 5.0 or 5.1
+
+
 # 1.0 (2016/10/26)
 
 ## timedot format
diff --git a/hledger-ui/CHANGES b/hledger-ui/CHANGES
index 007e547fb..1bc06cbd2 100644
--- a/hledger-ui/CHANGES
+++ b/hledger-ui/CHANGES
@@ -2,6 +2,11 @@ User-visible changes in hledger-ui.
 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)
 
 ## accounts screen
diff --git a/hledger-web/CHANGES b/hledger-web/CHANGES
index deb6d4043..84434e241 100644
--- a/hledger-web/CHANGES
+++ b/hledger-web/CHANGES
@@ -2,6 +2,11 @@ User-visible changes in hledger-web.
 See also the hledger and the project change logs.
 
 
+# 1.0.1 (2016/10/27)
+
+- allow megaparsec 5.0 or 5.1
+
+
 # 1.0 (2016/10/26)
 
 ## ui
diff --git a/hledger/CHANGES b/hledger/CHANGES
index 1e1cf7b7a..2b5df2d9a 100644
--- a/hledger/CHANGES
+++ b/hledger/CHANGES
@@ -2,6 +2,13 @@ User-visible changes in the hledger and hledger-lib packages.
 See also the project change log.
 
 
+# 1.0.1 (2016/10/27)
+
+- allow megaparsec 5.0 or 5.1
+
+- fix benchmark build failure (#423)
+
+
 # 1.0 (2016/10/26)
 
 ## add