diff --git a/NEWS b/NEWS
index eebea48..84e19f8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,16 @@
 Changes from previous version of pkgconf
 ========================================
 
+Changes from 1.5.1 to 1.5.2:
+----------------------------
+
+* Bug fixes:
+  - Ensure environment variables override values learned from personality files
+    or built-in defaults.
+
+* Documentation enhancements:
+  - Add pkgconf-personality(5) manpage documenting the personality file format.
+
 Changes from 1.5.0 to 1.5.1:
 ----------------------------
 
diff --git a/configure.ac b/configure.ac
index e4ed749..e06fbbd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@ dnl implied.  In no event shall the authors be liable for any damages arising
 dnl from the use of this software.
 
 AC_PREREQ([2.68])
-AC_INIT([pkgconf], [1.5.1], [http://github.com/pkgconf/pkgconf/issues])
+AC_INIT([pkgconf], [1.5.2], [http://github.com/pkgconf/pkgconf/issues])
 AC_CONFIG_SRCDIR([cli/main.c])
 AC_CONFIG_MACRO_DIRS([m4])
 AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])