diff --git a/checkov/terraform/checks/resource/azure/AppServicePlanZoneRedundant.py b/checkov/terraform/checks/resource/azure/AppServicePlanZoneRedundant.py
index 6f04fef7ec7..8d32cf1e147 100644
--- a/checkov/terraform/checks/resource/azure/AppServicePlanZoneRedundant.py
+++ b/checkov/terraform/checks/resource/azure/AppServicePlanZoneRedundant.py
@@ -9,7 +9,6 @@ def __init__(self) -> None:
         """
         To enhance the resiliency and reliability of business-critical workloads,
         it's recommended to deploy new App Service Plans with zone-redundancy.
-
         There's no additional cost associated with enabling availability zones.
         Pricing for a zone redundant App Service is the same as a single zone App Service.
         """
diff --git a/checkov/terraform/checks/resource/azure/AppServiceSlotMinTLS.py b/checkov/terraform/checks/resource/azure/AppServiceSlotMinTLS.py
index 6448c5318c2..b83dfbda114 100644
--- a/checkov/terraform/checks/resource/azure/AppServiceSlotMinTLS.py
+++ b/checkov/terraform/checks/resource/azure/AppServiceSlotMinTLS.py
@@ -6,16 +6,21 @@ class AppServiceSlotMinTLS(BaseResourceValueCheck):
     def __init__(self):
         name = "Ensure the App service slot is using the latest version of TLS encryption"
         id = "CKV_AZURE_154"
-        supported_resources = ['azurerm_app_service_slot']
+        supported_resources = ["azurerm_app_service_slot", "azurerm_linux_web_app_slot", "azurerm_windows_web_app_slot"]
         categories = [CheckCategories.NETWORKING]
-        super().__init__(name=name, id=id, categories=categories, supported_resources=supported_resources,
-                         missing_block_result=CheckResult.PASSED)
+        super().__init__(
+            name=name,
+            id=id,
+            categories=categories,
+            supported_resources=supported_resources,
+            missing_block_result=CheckResult.PASSED,
+        )
 
     def get_inspected_key(self):
         return "site_config/[0]/min_tls_version/[0]"
 
     def get_expected_value(self):
-        return '1.2'
+        return "1.2"
 
 
 check = AppServiceSlotMinTLS()
diff --git a/tests/terraform/checks/resource/azure/example_AppServiceSlotMinTLS/main.tf b/tests/terraform/checks/resource/azure/example_AppServiceSlotMinTLS/main.tf
index 8e8530fb3eb..be287ca16c6 100644
--- a/tests/terraform/checks/resource/azure/example_AppServiceSlotMinTLS/main.tf
+++ b/tests/terraform/checks/resource/azure/example_AppServiceSlotMinTLS/main.tf
@@ -24,6 +24,58 @@ resource "azurerm_app_service_slot" "fail" {
   }
 }
 
+resource "azurerm_linux_web_app_slot" "fail" {
+  name                = "brian"
+  app_service_name    = azurerm_app_service.example.name
+  location            = azurerm_resource_group.example.location
+  resource_group_name = azurerm_resource_group.example.name
+  app_service_plan_id = azurerm_app_service_plan.example.id
+
+  https_only = false #thedefault
+
+  site_config {
+    dotnet_framework_version = "v4.0"
+    min_tls_version          = "1.1"
+    remote_debugging_enabled = true
+  }
+
+  app_settings = {
+    "SOME_KEY" = "some-value"
+  }
+
+  connection_string {
+    name  = "Database"
+    type  = "SQLServer"
+    value = "Server=some-server.mydomain.com;Integrated Security=SSPI"
+  }
+}
+
+resource "azurerm_windows_web_app_slot" "fail" {
+  name                = "brian"
+  app_service_name    = azurerm_app_service.example.name
+  location            = azurerm_resource_group.example.location
+  resource_group_name = azurerm_resource_group.example.name
+  app_service_plan_id = azurerm_app_service_plan.example.id
+
+  https_only = false #thedefault
+
+  site_config {
+    dotnet_framework_version = "v4.0"
+    min_tls_version          = "1.1"
+    remote_debugging_enabled = true
+  }
+
+  app_settings = {
+    "SOME_KEY" = "some-value"
+  }
+
+  connection_string {
+    name  = "Database"
+    type  = "SQLServer"
+    value = "Server=some-server.mydomain.com;Integrated Security=SSPI"
+  }
+}
+
 #default
 resource "azurerm_app_service_slot" "pass" {
   name                = "fred"
@@ -51,6 +103,110 @@ resource "azurerm_app_service_slot" "pass" {
   }
 }
 
+resource "azurerm_linux_web_app_slot" "pass" {
+  name                = "brian"
+  app_service_name    = azurerm_app_service.example.name
+  location            = azurerm_resource_group.example.location
+  resource_group_name = azurerm_resource_group.example.name
+  app_service_plan_id = azurerm_app_service_plan.example.id
+
+  https_only = false #thedefault
+
+  site_config {
+    dotnet_framework_version = "v4.0"
+    min_tls_version          = "1.2"
+    remote_debugging_enabled = true
+  }
+
+  app_settings = {
+    "SOME_KEY" = "some-value"
+  }
+
+  connection_string {
+    name  = "Database"
+    type  = "SQLServer"
+    value = "Server=some-server.mydomain.com;Integrated Security=SSPI"
+  }
+}
+
+resource "azurerm_windows_web_app_slot" "pass" {
+  name                = "brian"
+  app_service_name    = azurerm_app_service.example.name
+  location            = azurerm_resource_group.example.location
+  resource_group_name = azurerm_resource_group.example.name
+  app_service_plan_id = azurerm_app_service_plan.example.id
+
+  https_only = false #thedefault
+
+  site_config {
+    dotnet_framework_version = "v4.0"
+    min_tls_version          = "1.2"
+    remote_debugging_enabled = true
+  }
+
+  app_settings = {
+    "SOME_KEY" = "some-value"
+  }
+
+  connection_string {
+    name  = "Database"
+    type  = "SQLServer"
+    value = "Server=some-server.mydomain.com;Integrated Security=SSPI"
+  }
+}
+
+resource "azurerm_linux_web_app_slot" "pass2" {
+  name                = "brian"
+  app_service_name    = azurerm_app_service.example.name
+  location            = azurerm_resource_group.example.location
+  resource_group_name = azurerm_resource_group.example.name
+  app_service_plan_id = azurerm_app_service_plan.example.id
+
+  https_only = false #thedefault
+
+  site_config {
+    dotnet_framework_version = "v4.0"
+    min_tls_version          = "1.2"
+    remote_debugging_enabled = true
+  }
+
+  app_settings = {
+    "SOME_KEY" = "some-value"
+  }
+
+  connection_string {
+    name  = "Database"
+    type  = "SQLServer"
+    value = "Server=some-server.mydomain.com;Integrated Security=SSPI"
+  }
+}
+
+resource "azurerm_windows_web_app_slot" "pass2" {
+  name                = "brian"
+  app_service_name    = azurerm_app_service.example.name
+  location            = azurerm_resource_group.example.location
+  resource_group_name = azurerm_resource_group.example.name
+  app_service_plan_id = azurerm_app_service_plan.example.id
+
+  https_only = false #thedefault
+
+  site_config {
+    dotnet_framework_version = "v4.0"
+    min_tls_version          = "1.2"
+    remote_debugging_enabled = true
+  }
+
+  app_settings = {
+    "SOME_KEY" = "some-value"
+  }
+
+  connection_string {
+    name  = "Database"
+    type  = "SQLServer"
+    value = "Server=some-server.mydomain.com;Integrated Security=SSPI"
+  }
+}
+
 resource "azurerm_app_service_slot" "pass2" {
   name                = "ted"
   app_service_name    = azurerm_app_service.example.name
diff --git a/tests/terraform/checks/resource/azure/test_AppServiceSlotMinTLSVersion.py b/tests/terraform/checks/resource/azure/test_AppServiceSlotMinTLSVersion.py
index a945910af9f..2e3eeea6ef9 100644
--- a/tests/terraform/checks/resource/azure/test_AppServiceSlotMinTLSVersion.py
+++ b/tests/terraform/checks/resource/azure/test_AppServiceSlotMinTLSVersion.py
@@ -19,17 +19,23 @@ def test(self):
 
         passing_resources = {
             "azurerm_app_service_slot.pass",
+            "azurerm_linux_web_app_slot.pass",
+            "azurerm_windows_web_app_slot.pass",
             "azurerm_app_service_slot.pass2",
+            "azurerm_linux_web_app_slot.pass2",
+            "azurerm_windows_web_app_slot.pass2",
         }
         failing_resources = {
             "azurerm_app_service_slot.fail",
+            "azurerm_linux_web_app_slot.fail",
+            "azurerm_windows_web_app_slot.fail",
         }
 
         passed_check_resources = {c.resource for c in report.passed_checks}
         failed_check_resources = {c.resource for c in report.failed_checks}
 
-        self.assertEqual(summary["passed"], 2)
-        self.assertEqual(summary["failed"], 1)
+        self.assertEqual(summary["passed"], passed_check_resources)
+        self.assertEqual(summary["failed"], failed_check_resources)
         self.assertEqual(summary["skipped"], 0)
         self.assertEqual(summary["parsing_errors"], 0)
         self.assertEqual(summary["resource_count"], 6)  # 3 unknown