diff --git a/environment-provisioner/workflow-template.yaml b/environment-provisioner/workflow-template.yaml
index 5e405fd..8b33dac 100644
--- a/environment-provisioner/workflow-template.yaml
+++ b/environment-provisioner/workflow-template.yaml
@@ -951,10 +951,9 @@ spec:
             UPDATED_CONTENT="${CURRENT_CONTENT}
         $(echo -e "$NEW_ENTRIES")"
 
-            # Patch the ConfigMap
-            kubectl create configmap "$CONFIGMAP_NAME" -n "$NAMESPACE" \
-              --from-literal="allhosts.tsv=${UPDATED_CONTENT}" \
-              --dry-run=client -o yaml | kubectl apply -f -
+            # Patch the ConfigMap using kubectl patch (avoids last-applied-configuration warning)
+            kubectl patch configmap "$CONFIGMAP_NAME" -n "$NAMESPACE" \
+              --type merge -p "{\"data\":{\"allhosts.tsv\":$(echo "$UPDATED_CONTENT" | jq -Rs .)}}"
 
             echo "ConfigMap updated successfully"
           else