diff --git a/NEWS b/NEWS
index 84e19f8..a2a0bd9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,14 @@
 Changes from previous version of pkgconf
 ========================================
 
+Changes from 1.5.2 to 1.5.3:
+----------------------------
+
+* Security fixes:
+  - Fix edge cases involving dequoting zero-length tuples that can lead to a
+    buffer overflow under the right circumstances.  Thanks to A. Wilcox for
+    reporting and supplying a patch.  (MR 3)
+
 Changes from 1.5.1 to 1.5.2:
 ----------------------------
 
diff --git a/configure.ac b/configure.ac
index e06fbbd..e711562 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], [1.5.2], [http://github.com/pkgconf/pkgconf/issues])
+AC_INIT([pkgconf], [1.5.3], [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"])