diff --git a/infra/core/host/appservice.bicep b/infra/core/host/appservice.bicep
index 81957fe..990af6e 100644
--- a/infra/core/host/appservice.bicep
+++ b/infra/core/host/appservice.bicep
@@ -40,6 +40,7 @@ resource appService 'Microsoft.Web/sites@2022-03-01' = {
       linuxFxVersion: linuxFxVersion
       alwaysOn: alwaysOn
       ftpsState: 'FtpsOnly'
+      minTlsVersion: '1.2'
       appCommandLine: appCommandLine
       numberOfWorkers: numberOfWorkers != -1 ? numberOfWorkers : null
       minimumElasticInstanceCount: minimumElasticInstanceCount != -1 ? minimumElasticInstanceCount : null