diff --git a/hledger-lib/.date.m4 b/hledger-lib/.date.m4
index 2eca5350b..ec5aa411e 100644
--- a/hledger-lib/.date.m4
+++ b/hledger-lib/.date.m4
@@ -1,2 +1,2 @@
 m4_dnl Date to show in man pages. Updated by "Shake manuals"
-m4_define({{_monthyear_}}, {{January 2023}})m4_dnl
+m4_define({{_monthyear_}}, {{February 2023}})m4_dnl
diff --git a/hledger-ui/.date.m4 b/hledger-ui/.date.m4
index 2eca5350b..ec5aa411e 100644
--- a/hledger-ui/.date.m4
+++ b/hledger-ui/.date.m4
@@ -1,2 +1,2 @@
 m4_dnl Date to show in man pages. Updated by "Shake manuals"
-m4_define({{_monthyear_}}, {{January 2023}})m4_dnl
+m4_define({{_monthyear_}}, {{February 2023}})m4_dnl
diff --git a/hledger-web/.date.m4 b/hledger-web/.date.m4
index 2eca5350b..ec5aa411e 100644
--- a/hledger-web/.date.m4
+++ b/hledger-web/.date.m4
@@ -1,2 +1,2 @@
 m4_dnl Date to show in man pages. Updated by "Shake manuals"
-m4_define({{_monthyear_}}, {{January 2023}})m4_dnl
+m4_define({{_monthyear_}}, {{February 2023}})m4_dnl
diff --git a/hledger/.date.m4 b/hledger/.date.m4
index 2eca5350b..ec5aa411e 100644
--- a/hledger/.date.m4
+++ b/hledger/.date.m4
@@ -1,2 +1,2 @@
 m4_dnl Date to show in man pages. Updated by "Shake manuals"
-m4_define({{_monthyear_}}, {{January 2023}})m4_dnl
+m4_define({{_monthyear_}}, {{February 2023}})m4_dnl