diff --git a/installers/charm/lcm/config.yaml b/installers/charm/lcm/config.yaml
index 78efe2f..dcebce8 100644
--- a/installers/charm/lcm/config.yaml
+++ b/installers/charm/lcm/config.yaml
@@ -270,3 +270,7 @@
     description: Stable repository URL for Helm charts
     type: string
     default: https://charts.helm.sh/stable
+  vca_helm_ca_certs:
+    description: CA certificates to validate access to Helm repository
+    type: string
+    default: ""
diff --git a/installers/charm/lcm/src/charm.py b/installers/charm/lcm/src/charm.py
index 9b025c9..fecd1b3 100755
--- a/installers/charm/lcm/src/charm.py
+++ b/installers/charm/lcm/src/charm.py
@@ -109,6 +109,7 @@
     vca_model_config_transmit_vendor_metrics: Optional[bool]
     vca_model_config_update_status_hook_interval: Optional[str]
     vca_stablerepourl: Optional[str]
+    vca_helm_ca_certs: Optional[str]
 
     @validator("log_level")
     def validate_log_level(cls, v):
@@ -193,6 +194,7 @@
                 "OSMLCM_STORAGE_URI": config.mongodb_uri
                 or self.mongodb_client.connection_string,
                 "OSMLCM_VCA_STABLEREPOURL": config.vca_stablerepourl,
+                "OSMLCM_VCA_HELM_CA_CERTS": config.vca_helm_ca_certs,
             }
         )
         if config.vca_host: