diff --git a/Dockerfile.linux-amd64 b/Dockerfile.linux-amd64
index a3401ba..ebdc6df 100644
--- a/Dockerfile.linux-amd64
+++ b/Dockerfile.linux-amd64
@@ -5,7 +5,7 @@ ARG BUILDKIT_SBOM_SCAN_STAGE=true
 FROM ubuntu:24.04
 
 LABEL name="Nagios"
-LABEL nagiosVersion="4.5.6"
+LABEL nagiosVersion="4.5.7"
 LABEL nagiosPluginsVersion="2.4.12"
 LABEL nrpeVersion="4.1.1"
 LABEL nscaVersion="2.10.3"
@@ -33,7 +33,7 @@ ENV NG_CGI_URL=/cgi-bin
 ENV NG_NAGIOS_CONFIG_FILE=${NAGIOS_HOME}/etc/nagios.cfg
 ENV NG_CGI_DIR=${NAGIOS_HOME}/sbin
 ENV NG_WWW_DIR=${NAGIOS_HOME}/share/nagiosgraph
-ENV NAGIOS_BRANCH=nagios-4.5.6
+ENV NAGIOS_BRANCH=nagios-4.5.7
 ENV NAGIOS_PLUGINS_BRANCH=release-2.4.12
 ENV NRPE_BRANCH=nrpe-4.1.1
 ENV NSCA_TAG=nsca-2.10.3
diff --git a/Dockerfile.linux-arm64 b/Dockerfile.linux-arm64
index 254b6c6..25650e1 100644
--- a/Dockerfile.linux-arm64
+++ b/Dockerfile.linux-arm64
@@ -5,7 +5,7 @@ ARG BUILDKIT_SBOM_SCAN_STAGE=true
 FROM ubuntu:24.04
 
 LABEL name="Nagios"
-LABEL nagiosVersion="4.5.6"
+LABEL nagiosVersion="4.5.7"
 LABEL nagiosPluginsVersion="2.4.12"
 LABEL nrpeVersion="4.1.1"
 LABEL nscaVersion="2.10.3"
@@ -33,7 +33,7 @@ ENV NG_CGI_URL=/cgi-bin
 ENV NG_NAGIOS_CONFIG_FILE=${NAGIOS_HOME}/etc/nagios.cfg
 ENV NG_CGI_DIR=${NAGIOS_HOME}/sbin
 ENV NG_WWW_DIR=${NAGIOS_HOME}/share/nagiosgraph
-ENV NAGIOS_BRANCH=nagios-4.5.6
+ENV NAGIOS_BRANCH=nagios-4.5.7
 ENV NAGIOS_PLUGINS_BRANCH=release-2.4.12
 ENV NRPE_BRANCH=nrpe-4.1.1
 ENV NSCA_TAG=nsca-2.10.3
diff --git a/README.md b/README.md
index 51640c1..96ebb4a 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Nagios Core running on Ubuntu 24.04 LTS with NagiosGraph, NRPE, NCPA, NSCA, and
 
 | Product | Version |
 | ------- | ------- |
-| [Nagios Core](https://github.com/NagiosEnterprises/nagioscore/releases) | 4.5.6 |
+| [Nagios Core](https://github.com/NagiosEnterprises/nagioscore/releases) | 4.5.7 |
 | [Nagios Plugins](https://github.com/nagios-plugins/nagios-plugins) | 2.4.12 |
 | [NRPE](https://github.com/NagiosEnterprises/nrpe) | 4.1.1 |
 | [NCPA](https://github.com/NagiosEnterprises/ncpa) | 3.1.1 |