diff --git a/docs/src/manpage.md b/docs/src/manpage.md
index 286b24935..ad9cb2343 100644
--- a/docs/src/manpage.md
+++ b/docs/src/manpage.md
@@ -50,7 +50,7 @@ DESCRIPTION
        insertion-ordered hash map.  This encompasses a variety of data
        formats, including but not limited to the familiar CSV, TSV, and JSON.
        (Miller can handle positionally-indexed data as a special case.) This
-       manpage documents mlr 6.1.0.
+       manpage documents mlr 6.1.0-dev.
 
 EXAMPLES
        mlr --icsv --opprint cat example.csv
@@ -3190,5 +3190,5 @@ SEE ALSO
 
 
 
-                                  2022-03-07                         MILLER(1)
+                                  2022-03-08                         MILLER(1)
 </pre>
diff --git a/docs/src/manpage.txt b/docs/src/manpage.txt
index e49b8b069..a19b5f303 100644
--- a/docs/src/manpage.txt
+++ b/docs/src/manpage.txt
@@ -29,7 +29,7 @@ DESCRIPTION
        insertion-ordered hash map.  This encompasses a variety of data
        formats, including but not limited to the familiar CSV, TSV, and JSON.
        (Miller can handle positionally-indexed data as a special case.) This
-       manpage documents mlr 6.1.0.
+       manpage documents mlr 6.1.0-dev.
 
 EXAMPLES
        mlr --icsv --opprint cat example.csv
@@ -3169,4 +3169,4 @@ SEE ALSO
 
 
 
-                                  2022-03-07                         MILLER(1)
+                                  2022-03-08                         MILLER(1)
diff --git a/internal/pkg/version/version.go b/internal/pkg/version/version.go
index 4c69c20cd..2ef0cc39e 100644
--- a/internal/pkg/version/version.go
+++ b/internal/pkg/version/version.go
@@ -4,4 +4,4 @@ package version
 // Nominally things like "6.0.0" for a release, then "6.0.0-dev" in between.
 // This makes it clear that a given build is on the main dev branch, not a
 // particular snapshot tag.
-var STRING string = "6.1.0"
+var STRING string = "6.1.0-dev"
diff --git a/man/manpage.txt b/man/manpage.txt
index e49b8b069..a19b5f303 100644
--- a/man/manpage.txt
+++ b/man/manpage.txt
@@ -29,7 +29,7 @@ DESCRIPTION
        insertion-ordered hash map.  This encompasses a variety of data
        formats, including but not limited to the familiar CSV, TSV, and JSON.
        (Miller can handle positionally-indexed data as a special case.) This
-       manpage documents mlr 6.1.0.
+       manpage documents mlr 6.1.0-dev.
 
 EXAMPLES
        mlr --icsv --opprint cat example.csv
@@ -3169,4 +3169,4 @@ SEE ALSO
 
 
 
-                                  2022-03-07                         MILLER(1)
+                                  2022-03-08                         MILLER(1)
diff --git a/man/mlr.1 b/man/mlr.1
index f1c0b0481..d60af04d1 100644
--- a/man/mlr.1
+++ b/man/mlr.1
@@ -2,12 +2,12 @@
 .\"     Title: mlr
 .\"    Author: [see the "AUTHOR" section]
 .\" Generator: ./mkman.rb
-.\"      Date: 2022-03-07
+.\"      Date: 2022-03-08
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "MILLER" "1" "2022-03-07" "\ \&" "\ \&"
+.TH "MILLER" "1" "2022-03-08" "\ \&" "\ \&"
 .\" -----------------------------------------------------------------
 .\" * Portability definitions
 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -47,7 +47,7 @@ on integer-indexed fields: if the natural data structure for the latter is the
 array, then Miller's natural data structure is the insertion-ordered hash map.
 This encompasses a variety of data formats, including but not limited to the
 familiar CSV, TSV, and JSON.  (Miller can handle positionally-indexed data as
-a special case.) This manpage documents mlr 6.1.0.
+a special case.) This manpage documents mlr 6.1.0-dev.
 .SH "EXAMPLES"
 .sp