diff --git a/Makefile b/Makefile
index 440654d6..62913e4c 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ ENV_FILE := .env
 PROJECT_PATH = $(shell pwd)
 AIRFLOW_INFRA_FOLDER ?= ${PROJECT_PATH}/.airflow
 RML_MAPPER_PATH = ${PROJECT_PATH}/.rmlmapper/rmlmapper.jar
-XML_PROCESSOR_PATH = ${PROJECT_PATH}/.saxon/saxon-he-10.6.jar
+XML_PROCESSOR_PATH = ${PROJECT_PATH}/.saxon/saxon-he-10.9.jar
 LIMES_ALIGNMENT_PATH = $(PROJECT_PATH)/.limes/limes.jar
 HOSTNAME = $(shell hostname)
 CAROOT = $(shell pwd)/infra/traefik/certs
@@ -222,8 +222,8 @@ init-limes:
 
 init-saxon:
 	@ echo -e "$(BUILD_PRINT)Saxon folder initialization $(END_BUILD_PRINT)"
-	@ wget -c https://kumisystems.dl.sourceforge.net/project/saxon/Saxon-HE/10/Java/SaxonHE10-6J.zip -P .saxon/
-	@ cd .saxon && unzip SaxonHE10-6J.zip && rm -rf SaxonHE10-6J.zip
+	@ wget -c https://github.com/Saxonica/Saxon-HE/releases/download/SaxonHE10-9/SaxonHE10-9J.zip -P .saxon/
+	@ cd .saxon && unzip SaxonHE10-9J.zip && rm -rf SaxonHE10-9J.zip
 
 start-project-services: | start-airflow start-mongo init-rml-mapper init-limes start-allegro-graph start-metabase
 stop-project-services: | stop-airflow stop-mongo stop-allegro-graph stop-metabase
diff --git a/infra/airflow-cluster/Dockerfile b/infra/airflow-cluster/Dockerfile
index 90cd6323..f572786a 100644
--- a/infra/airflow-cluster/Dockerfile
+++ b/infra/airflow-cluster/Dockerfile
@@ -18,8 +18,8 @@ RUN mkdir -p ./.rmlmapper
 RUN wget -c https://github.com/RMLio/rmlmapper-java/releases/download/v6.2.2/rmlmapper-6.2.2-r371-all.jar -O ./.rmlmapper/rmlmapper.jar
 
 
-RUN wget -c https://kumisystems.dl.sourceforge.net/project/saxon/Saxon-HE/10/Java/SaxonHE10-6J.zip -P .saxon/
-RUN cd .saxon && unzip SaxonHE10-6J.zip && rm -rf SaxonHE10-6J.zip
+RUN wget -c https://kumisystems.dl.sourceforge.net/project/saxon/Saxon-HE/10/Java/SaxonHE10-9J.zip -P .saxon/
+RUN cd .saxon && unzip SaxonHE10-9J.zip && rm -rf SaxonHE10-9J.zip
 
 
 RUN mkdir -p ./.limes
diff --git a/infra/airflow-cluster/docker-compose-worker.yaml b/infra/airflow-cluster/docker-compose-worker.yaml
index f394e54d..070c5c6b 100644
--- a/infra/airflow-cluster/docker-compose-worker.yaml
+++ b/infra/airflow-cluster/docker-compose-worker.yaml
@@ -76,7 +76,7 @@ x-airflow-common:
     PYTHONPATH: /opt/airflow/
     AIRFLOW_HOME: /opt/airflow
     RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-    XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+    XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
     DAG_LOGGER_CONFIG_HANDLERS: ${DAG_LOGGER_CONFIG_HANDLERS}
   volumes:
diff --git a/infra/airflow-cluster/docker-compose.yaml b/infra/airflow-cluster/docker-compose.yaml
index 8b134a72..cc0c7e94 100644
--- a/infra/airflow-cluster/docker-compose.yaml
+++ b/infra/airflow-cluster/docker-compose.yaml
@@ -78,7 +78,7 @@ x-airflow-common:
     PYTHONPATH: /opt/airflow/
     AIRFLOW_HOME: /opt/airflow
     RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-    XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+    XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
     DAG_LOGGER_CONFIG_HANDLERS: ${DAG_LOGGER_CONFIG_HANDLERS}
   volumes:
diff --git a/infra/airflow/Dockerfile b/infra/airflow/Dockerfile
index 076f4871..409c94dc 100644
--- a/infra/airflow/Dockerfile
+++ b/infra/airflow/Dockerfile
@@ -18,8 +18,8 @@ RUN mkdir -p ./.rmlmapper ./dags ./ted_sws ./temp
 RUN wget -c https://github.com/RMLio/rmlmapper-java/releases/download/v6.2.2/rmlmapper-6.2.2-r371-all.jar -O ./.rmlmapper/rmlmapper.jar
 
 
-RUN wget -c https://kumisystems.dl.sourceforge.net/project/saxon/Saxon-HE/10/Java/SaxonHE10-6J.zip -P .saxon/
-RUN cd .saxon && unzip SaxonHE10-6J.zip && rm -rf SaxonHE10-6J.zip
+RUN wget -c https://kumisystems.dl.sourceforge.net/project/saxon/Saxon-HE/10/Java/SaxonHE10-9J.zip -P .saxon/
+RUN cd .saxon && unzip SaxonHE10-9J.zip && rm -rf SaxonHE10-9J.zip
 
 RUN mkdir -p ./.limes
 RUN wget -c https://github.com/dice-group/LIMES/releases/download/1.7.9/limes.jar -P ./.limes
diff --git a/infra/airflow/docker-compose.yaml b/infra/airflow/docker-compose.yaml
index e196b407..026e4bd9 100644
--- a/infra/airflow/docker-compose.yaml
+++ b/infra/airflow/docker-compose.yaml
@@ -68,7 +68,7 @@ x-airflow-common:
     PYTHONPATH: /opt/airflow/
     AIRFLOW_HOME: /opt/airflow
     RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-    XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+    XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
     DAG_LOGGER_CONFIG_HANDLERS: ${DAG_LOGGER_CONFIG_HANDLERS}
   volumes:
diff --git a/infra/aws/airflow.yml b/infra/aws/airflow.yml
index e7e4f5b4..d7db49d2 100644
--- a/infra/aws/airflow.yml
+++ b/infra/aws/airflow.yml
@@ -32,7 +32,7 @@ services:
       PYTHONPATH: /opt/airflow/
       LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
       RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
       AIRFLOW_UID: ${AIRFLOW_UID}
     image: ${AIRFLOW_IMAGE_URI}
     logging:
@@ -77,7 +77,7 @@ services:
       PYTHONPATH: /opt/airflow/
       LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
       RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     healthcheck:
       test: ["CMD-SHELL", 'airflow jobs check --job-type SchedulerJob --hostname "$${HOSTNAME}"']
       interval: 10s
@@ -125,7 +125,7 @@ services:
       PYTHONPATH: /opt/airflow/
       LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
       RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     image: ${AIRFLOW_IMAGE_URI}
     logging:
       driver: awslogs
@@ -168,7 +168,7 @@ services:
       PYTHONPATH: /opt/airflow/
       LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
       RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     image: ${AIRFLOW_IMAGE_URI}
     logging:
       driver: awslogs
@@ -215,7 +215,7 @@ services:
       PYTHONPATH: /opt/airflow/
       LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
       RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     image: ${AIRFLOW_IMAGE_URI}
     labels:
       ecs-local.task-definition-input.type: remote
diff --git a/infra/aws/worker.yml b/infra/aws/worker.yml
index c9a8a865..28b4b39f 100644
--- a/infra/aws/worker.yml
+++ b/infra/aws/worker.yml
@@ -28,7 +28,7 @@ services:
       PYTHONPATH: /opt/airflow/
       LIMES_ALIGNMENT_PATH: /opt/airflow/.limes/limes.jar
       RML_MAPPER_PATH: /opt/airflow/.rmlmapper/rmlmapper.jar
-      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.6.jar
+      XML_PROCESSOR_PATH: /opt/airflow/.saxon/saxon-he-10.9.jar
     image: ${AIRFLOW_IMAGE_URI}
 #    hostname: "worker1"
     ports: