diff --git a/Jenkinsfile b/Jenkinsfile
index 8cb60b1ed..3a5014105 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -8,7 +8,7 @@ kind: Pod
 spec:
   containers:
   - name: maven-sumo
-    image: eclipsemosaic/mosaic-ci:jdk11-sumo-1.18.0
+    image: eclipsemosaic/mosaic-ci:jdk11-sumo-1.19.0
     command:
     - cat
     tty: true
diff --git a/README.md b/README.md
index a6af1195a..e959b49c5 100644
--- a/README.md
+++ b/README.md
@@ -68,8 +68,8 @@ For further questions we are available via mosaic@fokus.fraunhofer.de
 For a successful build you need the following software to be installed:
 
 * **Maven 3.1.x** or higher.
-* **Java 11, or 17** - We recommend using the [Adoptium OpenJDK (aka Eclipse Temurin)](https://adoptium.net/?variant=openjdk11).
-* **SUMO 1.18.0** - Additionally, the environment variable `SUMO_HOME` should be configured properly.
+* **Java 11**, 17, or 21 - We recommend using the [Adoptium OpenJDK (aka Eclipse Temurin)](https://adoptium.net/?variant=openjdk11).
+* **SUMO 1.19.0** - Older versions > 1.2.0 are most probably supported, but not tested. The environment variable `SUMO_HOME` should be configured properly.
 
 ## Build
 
diff --git a/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/SumoVersion.java b/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/SumoVersion.java
index 5c1386b4e..ab0982146 100644
--- a/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/SumoVersion.java
+++ b/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/SumoVersion.java
@@ -43,6 +43,7 @@ public enum SumoVersion {
     SUMO_1_16_x("1.16.*", TraciVersion.API_20),
     SUMO_1_17_x("1.17.*", TraciVersion.API_20),
     SUMO_1_18_x("1.18.*", TraciVersion.API_20),
+    SUMO_1_19_x("1.19.*", TraciVersion.API_21),
 
     /**
      * the lowest version supported by this client.
@@ -52,7 +53,7 @@ public enum SumoVersion {
     /**
      * the highest version supported by this client.
      */
-    HIGHEST(SUMO_1_18_x.sumoVersion, SUMO_1_18_x.traciVersion);
+    HIGHEST(SUMO_1_19_x.sumoVersion, SUMO_1_19_x.traciVersion);
 
     private final String sumoVersion;
     private final TraciVersion traciVersion;
diff --git a/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/TraciVersion.java b/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/TraciVersion.java
index 873838a45..0763a7652 100644
--- a/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/TraciVersion.java
+++ b/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/TraciVersion.java
@@ -21,6 +21,7 @@ public enum TraciVersion {
     API_18(18),
     API_19(19),
     API_20(20),
+    API_21(21),
 
     /**
      * the lowest version supported by this client.
@@ -30,7 +31,7 @@ public enum TraciVersion {
     /**
      * the highest version supported by this client.
      */
-    HIGHEST(API_20.getApiVersion());
+    HIGHEST(API_21.getApiVersion());
 
     private final int apiVersion;
 
diff --git a/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/traci/VehicleAdd.java b/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/traci/VehicleAdd.java
index fee3e64a4..f166cd421 100644
--- a/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/traci/VehicleAdd.java
+++ b/fed/mosaic-sumo/src/main/java/org/eclipse/mosaic/fed/sumo/bridge/traci/VehicleAdd.java
@@ -35,7 +35,7 @@ public class VehicleAdd
      */
     @SuppressWarnings("WeakerAccess")
     public VehicleAdd() {
-        super(TraciVersion.HIGHEST);
+        super(TraciVersion.API_20);
 
         write()
                 .command(CommandChangeVehicleValue.COMMAND)
diff --git a/test/ci/ci-image-mvn-sumo/Dockerfile b/test/ci/ci-image-mvn-sumo/Dockerfile
index 3e798eaf3..060076985 100644
--- a/test/ci/ci-image-mvn-sumo/Dockerfile
+++ b/test/ci/ci-image-mvn-sumo/Dockerfile
@@ -9,6 +9,6 @@ WORKDIR /home/jenkins
 RUN apt-get update &&  \
     apt-get install -y --allow-unauthenticated software-properties-common && \
     # adjust this output string to bypass potential caches
-    echo "Installing SUMO 1.18.0" && \
+    echo "Installing SUMO 1.19.0" && \
     add-apt-repository ppa:sumo/stable && \
     apt-get install -y sumo
\ No newline at end of file