diff --git a/bom/runtime/pom.xml b/bom/runtime/pom.xml
index 47277ed87..d4aed6685 100644
--- a/bom/runtime/pom.xml
+++ b/bom/runtime/pom.xml
@@ -20,7 +20,7 @@
     <!-- cxf can be updated independently of karaf, only used in karaf tests -->
     <cxf.version>3.6.10</cxf.version>
     <jackson.annotations.version>2.21</jackson.annotations.version>
-    <jackson.version>2.21.2</jackson.version>
+    <jackson.version>2.21.3</jackson.version>
     <jetty.version>9.4.58.v20250814</jetty.version>
     <pax.logging.version>2.3.3</pax.logging.version>
     <pax.web.version>8.0.35</pax.web.version>
diff --git a/features/karaf/openhab-tp/src/main/feature/feature.xml b/features/karaf/openhab-tp/src/main/feature/feature.xml
index 1019296bd..598641c0d 100644
--- a/features/karaf/openhab-tp/src/main/feature/feature.xml
+++ b/features/karaf/openhab-tp/src/main/feature/feature.xml
@@ -84,18 +84,18 @@
 	</feature>
 
 	<feature name="openhab.tp-jackson" description="FasterXML Jackson bundles" version="${project.version}">
-		<capability>openhab.tp;feature=jackson;version=2.21.2</capability>
+		<capability>openhab.tp;feature=jackson;version=2.21.3</capability>
 		<bundle dependency="true">mvn:com.fasterxml.jackson.core/jackson-annotations/2.21</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.core/jackson-core/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.core/jackson-databind/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.dataformat/jackson-dataformat-cbor/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.dataformat/jackson-dataformat-xml/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.dataformat/jackson-dataformat-yaml/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.datatype/jackson-datatype-jdk8/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.datatype/jackson-datatype-jsr310/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.jaxrs/jackson-jaxrs-base/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.jaxrs/jackson-jaxrs-json-provider/2.21.2</bundle>
-		<bundle dependency="true">mvn:com.fasterxml.jackson.module/jackson-module-jaxb-annotations/2.21.2</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.core/jackson-core/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.core/jackson-databind/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.dataformat/jackson-dataformat-cbor/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.dataformat/jackson-dataformat-xml/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.dataformat/jackson-dataformat-yaml/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.datatype/jackson-datatype-jdk8/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.datatype/jackson-datatype-jsr310/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.jaxrs/jackson-jaxrs-base/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.jaxrs/jackson-jaxrs-json-provider/2.21.3</bundle>
+		<bundle dependency="true">mvn:com.fasterxml.jackson.module/jackson-module-jaxb-annotations/2.21.3</bundle>
 		<bundle dependency="true">mvn:org.codehaus.woodstox/stax2-api/4.2.2</bundle>
 		<bundle dependency="true">mvn:org.yaml/snakeyaml/2.5</bundle>
 	</feature>
diff --git a/itests/org.openhab.core.automation.integration.tests/itest.bndrun b/itests/org.openhab.core.automation.integration.tests/itest.bndrun
index e8277be1c..d7c46a9d1 100644
--- a/itests/org.openhab.core.automation.integration.tests/itest.bndrun
+++ b/itests/org.openhab.core.automation.integration.tests/itest.bndrun
@@ -79,8 +79,8 @@ Fragment-Host: org.openhab.core.automation
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)'
diff --git a/itests/org.openhab.core.automation.module.core.tests/itest.bndrun b/itests/org.openhab.core.automation.module.core.tests/itest.bndrun
index 617b02457..d5de59395 100644
--- a/itests/org.openhab.core.automation.module.core.tests/itest.bndrun
+++ b/itests/org.openhab.core.automation.module.core.tests/itest.bndrun
@@ -79,8 +79,8 @@ Fragment-Host: org.openhab.core.automation
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)'
diff --git a/itests/org.openhab.core.automation.module.script.tests/itest.bndrun b/itests/org.openhab.core.automation.module.script.tests/itest.bndrun
index 60064f431..3c1cc1b5f 100644
--- a/itests/org.openhab.core.automation.module.script.tests/itest.bndrun
+++ b/itests/org.openhab.core.automation.module.script.tests/itest.bndrun
@@ -76,8 +76,8 @@ Fragment-Host: org.openhab.core.automation.module.script
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)'
diff --git a/itests/org.openhab.core.automation.module.timer.tests/itest.bndrun b/itests/org.openhab.core.automation.module.timer.tests/itest.bndrun
index 4c5fa0578..8bd1200c2 100644
--- a/itests/org.openhab.core.automation.module.timer.tests/itest.bndrun
+++ b/itests/org.openhab.core.automation.module.timer.tests/itest.bndrun
@@ -79,8 +79,8 @@ Fragment-Host: org.openhab.core.automation
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)'
diff --git a/itests/org.openhab.core.automation.tests/itest.bndrun b/itests/org.openhab.core.automation.tests/itest.bndrun
index c77827259..133483aee 100644
--- a/itests/org.openhab.core.automation.tests/itest.bndrun
+++ b/itests/org.openhab.core.automation.tests/itest.bndrun
@@ -79,8 +79,8 @@ Fragment-Host: org.openhab.core.automation
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)'
diff --git a/itests/org.openhab.core.ephemeris.tests/itest.bndrun b/itests/org.openhab.core.ephemeris.tests/itest.bndrun
index 26d1db079..b58ab7192 100644
--- a/itests/org.openhab.core.ephemeris.tests/itest.bndrun
+++ b/itests/org.openhab.core.ephemeris.tests/itest.bndrun
@@ -73,6 +73,6 @@ feature.openhab-config: \
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)'
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)'
diff --git a/itests/org.openhab.core.model.item.tests/itest.bndrun b/itests/org.openhab.core.model.item.tests/itest.bndrun
index add293dff..8e937b518 100644
--- a/itests/org.openhab.core.model.item.tests/itest.bndrun
+++ b/itests/org.openhab.core.model.item.tests/itest.bndrun
@@ -126,9 +126,9 @@ Fragment-Host: org.openhab.core.model.item
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)',\
 	org.osgi.service.cm;version='[1.6.1,1.6.2)'
diff --git a/itests/org.openhab.core.model.rule.tests/itest.bndrun b/itests/org.openhab.core.model.rule.tests/itest.bndrun
index c9af7a37c..b8b3115b0 100644
--- a/itests/org.openhab.core.model.rule.tests/itest.bndrun
+++ b/itests/org.openhab.core.model.rule.tests/itest.bndrun
@@ -127,9 +127,9 @@ Fragment-Host: org.openhab.core.model.rule.runtime
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)',\
 	org.osgi.service.cm;version='[1.6.1,1.6.2)'
diff --git a/itests/org.openhab.core.model.script.tests/itest.bndrun b/itests/org.openhab.core.model.script.tests/itest.bndrun
index 8659709a8..414590d52 100644
--- a/itests/org.openhab.core.model.script.tests/itest.bndrun
+++ b/itests/org.openhab.core.model.script.tests/itest.bndrun
@@ -132,8 +132,8 @@ Fragment-Host: org.openhab.core.model.script
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)'
diff --git a/itests/org.openhab.core.model.thing.tests/itest.bndrun b/itests/org.openhab.core.model.thing.tests/itest.bndrun
index f11261e5e..0e700086d 100644
--- a/itests/org.openhab.core.model.thing.tests/itest.bndrun
+++ b/itests/org.openhab.core.model.thing.tests/itest.bndrun
@@ -134,9 +134,9 @@ Fragment-Host: org.openhab.core.model.thing
 	de.focus_shift.jollyday-core;version='[1.9.3,1.9.4)',\
 	de.focus_shift.jollyday-jackson;version='[1.9.3,1.9.4)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	org.yaml.snakeyaml;version='[2.5.0,2.5.1)',\
 	org.osgi.service.cm;version='[1.6.1,1.6.2)'
diff --git a/itests/org.openhab.core.thing.tests/itest.bndrun b/itests/org.openhab.core.thing.tests/itest.bndrun
index 752f73d0d..ade8737ea 100644
--- a/itests/org.openhab.core.thing.tests/itest.bndrun
+++ b/itests/org.openhab.core.thing.tests/itest.bndrun
@@ -110,10 +110,10 @@ Fragment-Host: org.openhab.core.thing
 	org.threeten.extra;version='[1.8.0,1.8.1)',\
 	stax2-api;version='[4.2.2,4.2.3)',\
 	com.fasterxml.jackson.core.jackson-annotations;version='[2.21.0,2.21.1)',\
-	com.fasterxml.jackson.core.jackson-core;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.core.jackson-databind;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.2,2.21.3)',\
-	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.2,2.21.3)',\
+	com.fasterxml.jackson.core.jackson-core;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.core.jackson-databind;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-xml;version='[2.21.3,2.21.4)',\
+	com.fasterxml.jackson.dataformat.jackson-dataformat-yaml;version='[2.21.3,2.21.4)',\
 	com.google.guava;version='[33.6.0,33.6.1)',\
 	com.google.guava.failureaccess;version='[1.0.3,1.0.4)',\
 	org.eclipse.emf.common;version='[2.30.0,2.30.1)',\
diff --git a/tools/upgradetool/pom.xml b/tools/upgradetool/pom.xml
index e58735779..1f183b19a 100644
--- a/tools/upgradetool/pom.xml
+++ b/tools/upgradetool/pom.xml
@@ -19,7 +19,7 @@
 
   <properties>
     <jackson.annotations.version>2.21</jackson.annotations.version>
-    <jackson.version>2.21.2</jackson.version>
+    <jackson.version>2.21.3</jackson.version>
   </properties>
 
   <dependencies>