diff --git a/NEWS b/NEWS
index 08bb6052..21b6270d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+1.5.2 - May 18 2026
+===================
+Bugfixes:
+* Discarded-qualifiers errors in string searching functions (#531)
+
 1.5.1 - Mar 19 2026
 ===================
 Breaking changes:
diff --git a/debian/changelog b/debian/changelog
index 90c8a23a..4fc57e21 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+naemon-core (1.5.2) UNRELEASED; urgency=low
+
+  * new upstream release
+
+ -- Naemon Development Team <naemon-dev@monitoring-lists.org>  Mon, 18 May 2026 14:32:57 +0000
+
 naemon-core (1.5.1) UNRELEASED; urgency=low
 
   * new upstream release
diff --git a/naemon-core.spec b/naemon-core.spec
index 4c5e809b..41dbcd86 100644
--- a/naemon-core.spec
+++ b/naemon-core.spec
@@ -2,7 +2,7 @@
 
 Summary: Open Source Host, Service And Network Monitoring Program
 Name: naemon-core
-Version: 1.5.1
+Version: 1.5.2
 Release: 0
 License: GPL-2.0-only
 Group: Applications/System
diff --git a/version.sh b/version.sh
index dd5513b6..28f93581 100755
--- a/version.sh
+++ b/version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-VERSION=1.5.1
+VERSION=1.5.2
 if test -e .git; then
     if hash git 2>/dev/null; then
         VERSION=$(git describe --tag --exact-match 2>/dev/null | sed -e 's/^v//')