diff --git a/wls-admin-service/pom.xml b/wls-admin-service/pom.xml
index 0af3e2266..4fd50d89b 100644
--- a/wls-admin-service/pom.xml
+++ b/wls-admin-service/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-auth-service/pom.xml b/wls-auth-service/pom.xml
index 352eac6e6..3b2229cbd 100644
--- a/wls-auth-service/pom.xml
+++ b/wls-auth-service/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-basisdaten-service/pom.xml b/wls-basisdaten-service/pom.xml
index ec68f7341..467c9b1d8 100644
--- a/wls-basisdaten-service/pom.xml
+++ b/wls-basisdaten-service/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-briefwahl-service/pom.xml b/wls-briefwahl-service/pom.xml
index a1db18315..f835d0abd 100644
--- a/wls-briefwahl-service/pom.xml
+++ b/wls-briefwahl-service/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-broadcast-service/pom.xml b/wls-broadcast-service/pom.xml
index 1f8318e37..7defbbe46 100644
--- a/wls-broadcast-service/pom.xml
+++ b/wls-broadcast-service/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-common/pom.xml b/wls-common/pom.xml
index b3f747430..ffe764941 100644
--- a/wls-common/pom.xml
+++ b/wls-common/pom.xml
@@ -23,7 +23,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <maven.compiler.plugin.version>3.13.0</maven.compiler.plugin.version>
         <!-- Version muss mit der in den spring-boot-dependencies bereitgestellten Lombok-Version übereinstimmen -->
diff --git a/wls-eai-service/pom.xml b/wls-eai-service/pom.xml
index 1da92eece..4acf69ae7 100644
--- a/wls-eai-service/pom.xml
+++ b/wls-eai-service/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-ergebnismeldung-service/pom.xml b/wls-ergebnismeldung-service/pom.xml
index 5b943ef1a..a8a93ca9c 100644
--- a/wls-ergebnismeldung-service/pom.xml
+++ b/wls-ergebnismeldung-service/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-infomanagement-service/pom.xml b/wls-infomanagement-service/pom.xml
index 3d704325d..4f8dc3c13 100644
--- a/wls-infomanagement-service/pom.xml
+++ b/wls-infomanagement-service/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-monitoring-service/pom.xml b/wls-monitoring-service/pom.xml
index 5fc137160..0c07b2470 100644
--- a/wls-monitoring-service/pom.xml
+++ b/wls-monitoring-service/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-vorfaelleundvorkommnisse-service/pom.xml b/wls-vorfaelleundvorkommnisse-service/pom.xml
index 80e940c3a..67223608b 100644
--- a/wls-vorfaelleundvorkommnisse-service/pom.xml
+++ b/wls-vorfaelleundvorkommnisse-service/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-wahlvorbereitung-service/pom.xml b/wls-wahlvorbereitung-service/pom.xml
index 0400de491..ed04c54c6 100644
--- a/wls-wahlvorbereitung-service/pom.xml
+++ b/wls-wahlvorbereitung-service/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>
diff --git a/wls-wahlvorstand-service/pom.xml b/wls-wahlvorstand-service/pom.xml
index fce25f595..dccef6ae6 100644
--- a/wls-wahlvorstand-service/pom.xml
+++ b/wls-wahlvorstand-service/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.3.5</spring.boot.version>
+        <spring.boot.version>3.4.0</spring.boot.version>
         <spring.cloud.version>2023.0.3</spring.cloud.version>
         <logstash.encoder>8.0</logstash.encoder>
         <apache.commons.collections4>4.4</apache.commons.collections4>