diff --git a/stable/airflow/Chart.yaml b/stable/airflow/Chart.yaml
index 7ef5784554c2..cf522762b7eb 100644
--- a/stable/airflow/Chart.yaml
+++ b/stable/airflow/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Airflow is a platform to programmatically author, schedule and monitor workflows
 name: airflow
-version: 7.4.1
+version: 7.5.0
 appVersion: 1.10.10
 icon: https://airflow.apache.org/_images/pin_large.png
 home: https://airflow.apache.org/
diff --git a/stable/airflow/README.md b/stable/airflow/README.md
index 3fdcb833c3d1..e26602ad19ba 100644
--- a/stable/airflow/README.md
+++ b/stable/airflow/README.md
@@ -39,6 +39,7 @@ kubectl exec \
 > NOTE: for chart version numbers, see [Chart.yaml](Chart.yaml) or [helm hub](https://hub.helm.sh/charts/stable/airflow).
 
 For steps you must take when upgrading this chart, please review:
+* [v7.4.X → v7.5.0](UPGRADE.md#v74x--v750)
 * [v7.3.X → v7.4.0](UPGRADE.md#v73x--v740)
 * [v7.2.X → v7.3.0](UPGRADE.md#v72x--v730)
 * [v7.1.X → v7.2.0](UPGRADE.md#v71x--v720)
@@ -683,6 +684,7 @@ __Airflow Database (External) Values:__
 | `externalDatabase.user` | the user of the external database | `airflow` |
 | `externalDatabase.passwordSecret` | the name of a pre-created secret containing the external database password | `""` |
 | `externalDatabase.passwordSecretKey` | the key within `externalDatabase.passwordSecret` containing the password string | `postgresql-password` |
+| `externalDatabase.properties` | the connection properties e.g. "?sslmode=require" | `""` |
 
 __Airflow Redis (Internal) Values:__
 
diff --git a/stable/airflow/UPGRADE.md b/stable/airflow/UPGRADE.md
index 3c552dae4eb7..64f851c355e2 100644
--- a/stable/airflow/UPGRADE.md
+++ b/stable/airflow/UPGRADE.md
@@ -1,5 +1,15 @@
 # Upgrading Steps
 
+## `v7.4.X` → `v7.5.0`
+
+__The following IMPROVEMENTS have been made:__
+
+* Added an ability to setup external database connection propertites with the value `externalDatabase.properties` for TLS or other advanced parameters
+
+__The following values have been ADDED:__
+
+* `externalDatabase.properties`
+
 ## `v7.3.X` → `v7.4.0`
 
 __The following IMPROVEMENTS have been made:__
diff --git a/stable/airflow/templates/_helpers.tpl b/stable/airflow/templates/_helpers.tpl
index b76bd48a647d..c4c9aa52d245 100644
--- a/stable/airflow/templates/_helpers.tpl
+++ b/stable/airflow/templates/_helpers.tpl
@@ -75,9 +75,9 @@ Construct the AIRFLOW__CORE__SQL_ALCHEMY_CONN connection string.
 {{- if .Values.postgresql.enabled -}}
 postgresql+psycopg2://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}
 {{- else if and (not .Values.postgresql.enabled) (eq "postgres" .Values.externalDatabase.type) -}}
-postgresql+psycopg2://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}
+postgresql+psycopg2://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}${DATABASE_PROPERTIES}
 {{- else if and (not .Values.postgresql.enabled) (eq "mysql" .Values.externalDatabase.type) -}}
-mysql+mysqldb://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}
+mysql+mysqldb://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}${DATABASE_PROPERTIES}
 {{- end -}}
 {{- end -}}
 
@@ -88,9 +88,9 @@ Construct the AIRFLOW__CELERY__RESULT_BACKEND connection string.
 {{- if .Values.postgresql.enabled -}}
 db+postgresql://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}
 {{- else if and (not .Values.postgresql.enabled) (eq "postgres" .Values.externalDatabase.type) -}}
-db+postgresql://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}
+db+postgresql://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}${DATABASE_PROPERTIES}
 {{- else if and (not .Values.postgresql.enabled) (eq "mysql" .Values.externalDatabase.type) -}}
-db+mysql://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}
+db+mysql://${DATABASE_USER}:$( echo ${DATABASE_PASSWORD} | python3 -c "import urllib.parse; encoded_pass = urllib.parse.quote(input()); print(encoded_pass)" )@${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_DB}${DATABASE_PROPERTIES}
 {{- end -}}
 {{- end -}}
 
diff --git a/stable/airflow/templates/configmap-env.yaml b/stable/airflow/templates/configmap-env.yaml
index c12109e1af10..09d871c6800c 100644
--- a/stable/airflow/templates/configmap-env.yaml
+++ b/stable/airflow/templates/configmap-env.yaml
@@ -22,6 +22,7 @@ data:
   DATABASE_PORT: "{{ .Values.externalDatabase.port }}"
   DATABASE_USER: "{{ .Values.externalDatabase.user }}"
   DATABASE_DB: "{{ .Values.externalDatabase.database }}"
+  DATABASE_PROPERTIES: "{{.Values.externalDatabase.properties}}"
   {{- end }}
 
   {{- if (eq .Values.airflow.executor "CeleryExecutor") }}
diff --git a/stable/airflow/values.yaml b/stable/airflow/values.yaml
index 26c64519bc65..ab854131f54c 100644
--- a/stable/airflow/values.yaml
+++ b/stable/airflow/values.yaml
@@ -1202,6 +1202,9 @@ externalDatabase:
   ##
   passwordSecretKey: "postgresql-password"
 
+  ## the connection properties for external database, e.g. "?sslmode=require"
+  properties: ""
+
 ###################################
 # Database - Redis Chart
 # - https://github.com/helm/charts/tree/master/stable/redis