diff --git a/c/mlrvers.h b/c/mlrvers.h
index 7e733e26a..f0132b53a 100644
--- a/c/mlrvers.h
+++ b/c/mlrvers.h
@@ -1,5 +1,5 @@
 #ifndef MLRVERS_H
 #define MLRVERS_H
 // Manually increment on updates to https://github.com/johnkerl/miller/releases
-#define MLR_VERSION "v5.2.1-dev"
+#define MLR_VERSION "v5.2.2"
 #endif // MLRVERS_H
diff --git a/configure.ac b/configure.ac
index 577cd138b..6c1a7530d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.60])
 # Manually increment on updates to https://github.com/johnkerl/miller/releases
-AC_INIT([mlr],[5.2.1-dev])
+AC_INIT([mlr],[5.2.2])
 AC_CONFIG_SRCDIR([c/mlrmain.c])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_AUX_DIR([autotools])
diff --git a/doc/manpage.html b/doc/manpage.html
index d6d70942a..1a83db0f5 100644
--- a/doc/manpage.html
+++ b/doc/manpage.html
@@ -211,7 +211,7 @@ 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 Miller v5.2.1-dev.
+       manpage documents Miller v5.2.2.
 
 EXAMPLES
    COMMAND-LINE SYNTAX
@@ -2230,7 +2230,7 @@ SEE ALSO
 
 
 
-				  2017-07-15			     MILLER(1)
+				  2017-07-20			     MILLER(1)
 </pre>
 </div>
 <p/>
diff --git a/doc/manpage.txt b/doc/manpage.txt
index ef6000201..e593b0128 100644
--- a/doc/manpage.txt
+++ b/doc/manpage.txt
@@ -18,7 +18,7 @@ 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 Miller v5.2.1-dev.
+       manpage documents Miller v5.2.2.
 
 EXAMPLES
    COMMAND-LINE SYNTAX
@@ -2037,4 +2037,4 @@ SEE ALSO
 
 
 
-				  2017-07-15			     MILLER(1)
+				  2017-07-20			     MILLER(1)
diff --git a/doc/mlr.1 b/doc/mlr.1
index d6676762a..6bb4308f9 100644
--- a/doc/mlr.1
+++ b/doc/mlr.1
@@ -2,12 +2,12 @@
 .\"     Title: mlr
 .\"    Author: [see the "AUTHOR" section]
 .\" Generator: ./mkman.rb
-.\"      Date: 2017-07-15
+.\"      Date: 2017-07-20
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "MILLER" "1" "2017-07-15" "\ \&" "\ \&"
+.TH "MILLER" "1" "2017-07-20" "\ \&" "\ \&"
 .\" -----------------------------------------------------------------
 .\" * Portability definitions
 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -38,7 +38,7 @@ 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 Miller v5.2.1-dev.
+a special case.) This manpage documents Miller v5.2.2.
 .SH "EXAMPLES"
 .sp
 
diff --git a/doc/reference.html b/doc/reference.html
index dc9205591..63a42be5c 100644
--- a/doc/reference.html
+++ b/doc/reference.html
@@ -1566,7 +1566,7 @@ Output of one verb may be chained as input to another using "then", e.g.
   mlr stats1 -a min,mean,max -f flag,u,v -g color then sort -f color
 
 For more information please see http://johnkerl.org/miller/doc and/or
-http://github.com/johnkerl/miller. This is Miller version v5.2.1-dev.
+http://github.com/johnkerl/miller. This is Miller version v5.2.2.
 </pre>
 </div>
 <p/>
diff --git a/mlr.spec b/mlr.spec
index ff1ebfc0a..b0c6f95b0 100644
--- a/mlr.spec
+++ b/mlr.spec
@@ -1,6 +1,6 @@
 Summary: Name-indexed data processing tool
 Name: mlr
-Version: 5.2.1
+Version: 5.2.2
 Release: 1%{?dist}
 License: BSD2
 Group: Applications/Text
@@ -41,6 +41,8 @@ rm -rf ${RPM_BUILD_ROOT}
 %defattr(-,root,root)
 
 %changelog
+* Mon Jul 19 2017 John Kerl <kerl.john.r@gmail.com>
+- 5.2.2 release
 * Mon Jun 19 2017 John Kerl <kerl.john.r@gmail.com>
 - 5.2.1 release
 * Sun Jun 11 2017 John Kerl <kerl.john.r@gmail.com>