diff --git a/docs/modules/demos/pages/jupyterhub-keycloak.adoc b/docs/modules/demos/pages/jupyterhub-keycloak.adoc
index f78403d1..93d2ba1e 100644
--- a/docs/modules/demos/pages/jupyterhub-keycloak.adoc
+++ b/docs/modules/demos/pages/jupyterhub-keycloak.adoc
@@ -103,7 +103,7 @@ This setup is ideal for interactive data processing.
 
 === Spark Configuration
 
-* **Executor Image**: Uses a custom image `oci.stackable.tech/sandbox/spark:3.5.2-python311` (built on the standard Spark image) for the executors, matching the Python version of the notebook.
+* **Executor Image**: Uses a custom image `oci.stackable.tech/sandbox/spark:3.5.5-python311` (built on the standard Spark image) for the executors, matching the Python version of the notebook.
 * **Resource Allocation**: Configures Spark executor instances, memory, and cores through settings defined in the notebook.
 * **Hadoop and AWS Libraries**: Includes necessary Hadoop and AWS libraries for S3 operations, matching the notebook image version.
 
diff --git a/stacks/airflow/airflow.yaml b/stacks/airflow/airflow.yaml
index 46b6e761..36aeaa51 100644
--- a/stacks/airflow/airflow.yaml
+++ b/stacks/airflow/airflow.yaml
@@ -274,7 +274,7 @@ data:
     spec:
       version: "1.0"
       sparkImage:
-        productVersion: 3.5.2
+        productVersion: 3.5.5
       mode: cluster
       mainApplicationFile: local:///stackable/spark/examples/src/main/python/pi.py
       job:
diff --git a/stacks/jupyterhub-keycloak/Dockerfile b/stacks/jupyterhub-keycloak/Dockerfile
index 874bbd17..d847f41e 100644
--- a/stacks/jupyterhub-keycloak/Dockerfile
+++ b/stacks/jupyterhub-keycloak/Dockerfile
@@ -1,9 +1,9 @@
-# docker build -t oci.stackable.tech/sandbox/spark:3.5.2-python311 -f Dockerfile .
-# kind load docker-image oci.stackable.tech/sandbox/spark:3.5.2-python311 -n stackable-data-platform
+# docker build -t oci.stackable.tech/sandbox/spark:3.5.5-python311 -f Dockerfile .
+# kind load docker-image oci.stackable.tech/sandbox/spark:3.5.5-python311 -n stackable-data-platform
 # or:
-# docker push oci.stackable.tech/sandbox/spark:3.5.2-python311
+# docker push oci.stackable.tech/sandbox/spark:3.5.5-python311
 
-FROM spark:3.5.2-scala2.12-java17-ubuntu
+FROM spark:3.5.5-scala2.12-java17-ubuntu
 
 USER root
 
diff --git a/stacks/jupyterhub-keycloak/jupyterhub.yaml b/stacks/jupyterhub-keycloak/jupyterhub.yaml
index 375763e1..ed11b3dc 100644
--- a/stacks/jupyterhub-keycloak/jupyterhub.yaml
+++ b/stacks/jupyterhub-keycloak/jupyterhub.yaml
@@ -209,7 +209,7 @@ options:
           image:
             display_name: Image
             choices:
-{% for image in ["quay.io/jupyter/pyspark-notebook:python-3.11.9", "quay.io/jupyter/pyspark-notebook:spark-3.5.2"] %}
+{% for image in ["quay.io/jupyter/pyspark-notebook:python-3.11.9", "quay.io/jupyter/pyspark-notebook:spark-3.5.5"] %}
               "{{image}}":
                 display_name: "{{image}}"
                 kubespawner_override:
diff --git a/stacks/jupyterhub-keycloak/process-s3.ipynb b/stacks/jupyterhub-keycloak/process-s3.ipynb
index ac36f6ad..f13dd25f 100644
--- a/stacks/jupyterhub-keycloak/process-s3.ipynb
+++ b/stacks/jupyterhub-keycloak/process-s3.ipynb
@@ -49,8 +49,8 @@
     "acts as the driver. It is important that the versions of spark and python match across the driver (running in the juypyterhub image)\n",
     "and the executor(s) (running in a separate image, specified below with the `spark.kubernetes.container.image` setting).\n",
     "\n",
-    "The jupyterhub image `quay.io/jupyter/pyspark-notebook:spark-3.5.2` uses a base ubuntu image (like the spark images).\n",
-    "The versions of java match exactly. Python versions can differ at patch level, and the image used below `oci.stackable.tech/sandbox/spark:3.5.2-python311` is built from a `spark:3.5.2-scala2.12-java17-ubuntu` base image with python 3.11 (the same major/minor version as the notebook) installed.\n",
+    "The jupyterhub image `quay.io/jupyter/pyspark-notebook:spark-3.5.5` uses a base ubuntu image (like the spark images).\n",
+    "The versions of java match exactly. Python versions can differ at patch level, and the image used below `oci.stackable.tech/sandbox/spark:3.5.5-python311` is built from a `spark:3.5.2-scala2.12-java17-ubuntu` base image with python 3.11 (the same major/minor version as the notebook) installed.\n",
     "\n",
     "## S3\n",
     "As we will be reading data from an S3 bucket, we need to add the necessary `hadoop` and `aws` libraries in the same hadoop version as the\n",
@@ -69,7 +69,7 @@
     "NAMESPACE = os.environ.get(\"NAMESPACE\", \"default\")\n",
     "POD_NAME = os.environ.get(\"HOSTNAME\", f\"jupyter-{os.environ.get('USER', 'default')}-{NAMESPACE}\")\n",
     "\n",
-    "EXECUTOR_IMAGE = \"oci.stackable.tech/sandbox/spark:3.5.2-python311\" \n",
+    "EXECUTOR_IMAGE = \"oci.stackable.tech/sandbox/spark:3.5.5-python311\" \n",
     "\n",
     "spark = (\n",
     "    SparkSession.builder\n",