diff --git a/ChangeLog b/ChangeLog
index 5891d0c18..033dc75cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2022-02-12  dana  <dana@dana.is>
 
+	* unposted: Config/version.mk: Post-release version bump
+
 	* unposted: Config/version.mk, Etc/FAQ.yo, README: Update
 	for 5.8.1
 
diff --git a/Config/version.mk b/Config/version.mk
index d397f13ba..bb85b0f74 100644
--- a/Config/version.mk
+++ b/Config/version.mk
@@ -27,5 +27,5 @@
 # This must also serve as a shell script, so do not add spaces around the
 # `=' signs.
 
-VERSION=5.8.1
+VERSION=5.8.1.1-dev
 VERSION_DATE='February 12, 2022'