diff --git a/CHANGES.md b/CHANGES.md
index 2f74923c3..ec89692e6 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,7 +1,7 @@
 General project-related changes and major/notable all-package releases.
 For package-specific changes and minor releases, see the package changelogs.
 
-# be50572d9
+# 1.21 2021-03-10
 
 - roi has a new cookbook doc, and example files have been updated.
   (Dmitry Astapov)
diff --git a/hledger-lib/CHANGES.md b/hledger-lib/CHANGES.md
index 556cb3b62..97cce368e 100644
--- a/hledger-lib/CHANGES.md
+++ b/hledger-lib/CHANGES.md
@@ -1,7 +1,7 @@
 Internal/api/developer-ish changes in the hledger-lib (and hledger) packages.
 For user-visible changes, see the hledger package changelog.
 
-# fb02d8688
+# 1.21 2021-03-10
 
 - Building Hledger.Data.Journal no longer fails if the monad-extras
   package is installed.
diff --git a/hledger-ui/CHANGES.md b/hledger-ui/CHANGES.md
index 74111a367..8535359b4 100644
--- a/hledger-ui/CHANGES.md
+++ b/hledger-ui/CHANGES.md
@@ -1,7 +1,7 @@
 User-visible changes in hledger-ui.
 See also the hledger changelog.
 
-# 269b25bc8
+# 1.21 2021-03-10
 
 - Register screen: also show transactions below the depth limit, as in
   1.19, keeping the register balance in agreement with the balance
diff --git a/hledger-web/CHANGES.md b/hledger-web/CHANGES.md
index 50278d06d..40577a968 100644
--- a/hledger-web/CHANGES.md
+++ b/hledger-web/CHANGES.md
@@ -1,7 +1,7 @@
 User-visible changes in hledger-web.
 See also the hledger changelog.
 
-# 269b25bc8
+# 1.21 2021-03-10
 
 - Register: a date range can be selected by dragging over a region on
   the chart. (Arnout Engelen, #1471)
diff --git a/hledger/CHANGES.md b/hledger/CHANGES.md
index eca82b170..bdc297dcd 100644
--- a/hledger/CHANGES.md
+++ b/hledger/CHANGES.md
@@ -1,7 +1,7 @@
 User-visible changes in the hledger command line tool and library.
 
 
-# 40d1d7f7a
+# 1.21 2021-03-10
 
 ## general