diff --git a/.github/workflows/test-changes-exists-drift.yml b/.github/workflows/test-changes-exists-drift.yml
index dc529327..014cd964 100644
--- a/.github/workflows/test-changes-exists-drift.yml
+++ b/.github/workflows/test-changes-exists-drift.yml
@@ -186,6 +186,14 @@ jobs:
                 }
             
             Plan: 1 to add, 0 to change, 0 to destroy.
+            
+            Warning: Test warning summary
+            
+              with data.validation_warning.warn[0],
+              on main.tf line 20, in data "validation_warning" "warn":
+              20: data "validation_warning" "warn" {
+            
+            Test warning details
             ```
             
             </details>
@@ -193,6 +201,17 @@ jobs:
             
             
             
+            > [!WARNING]
+            > ```
+            > Warning: Test warning summary
+            > 
+            >   with data.validation_warning.warn[0],
+            >   on main.tf line 20, in data "validation_warning" "warn":
+            >   20: data "validation_warning" "warn" {
+            > 
+            > Test warning details
+            > ```
+            
             
             <details><summary>Metadata</summary>
             
diff --git a/.github/workflows/test-changes-exists.yml b/.github/workflows/test-changes-exists.yml
index 67fb9786..5c21c236 100644
--- a/.github/workflows/test-changes-exists.yml
+++ b/.github/workflows/test-changes-exists.yml
@@ -126,9 +126,29 @@ jobs:
                 }
             
             Plan: 1 to add, 0 to change, 0 to destroy.
+            
+            Warning: Test warning summary
+            
+              with data.validation_warning.warn[0],
+              on main.tf line 20, in data "validation_warning" "warn":
+              20: data "validation_warning" "warn" {
+            
+            Test warning details
             ```
             
             </details>
+            
+            
+            > [!WARNING]
+            > ```
+            > Warning: Test warning summary
+            > 
+            >   with data.validation_warning.warn[0],
+            >   on main.tf line 20, in data "validation_warning" "warn":
+            >   20: data "validation_warning" "warn" {
+            > 
+            > Test warning details
+            > ```
 
 
   teardown:
diff --git a/.github/workflows/test-infra-cost.yml b/.github/workflows/test-infra-cost.yml
index 92bc2cfc..d5e82b15 100644
--- a/.github/workflows/test-infra-cost.yml
+++ b/.github/workflows/test-infra-cost.yml
@@ -130,11 +130,30 @@ jobs:
                 }
             
             Plan: 1 to add, 0 to change, 0 to destroy.
+            
+            Warning: Test warning summary
+            
+              with data.validation_warning.warn[0],
+              on main.tf line 20, in data "validation_warning" "warn":
+              20: data "validation_warning" "warn" {
+            
+            Test warning details
             ```
             
             </details>
             
             
+            > [!WARNING]
+            > ```
+            > Warning: Test warning summary
+            > 
+            >   with data.validation_warning.warn[0],
+            >   on main.tf line 20, in data "validation_warning" "warn":
+            >   20: data "validation_warning" "warn" {
+            > 
+            > Test warning details
+            > ```
+            
                 
             <details><summary>Infracost Estimate: monthly cost will not change</summary>
             
@@ -145,6 +164,8 @@ jobs:
               ```
             
             </details>
+            
+
 
   teardown:
     runs-on: ubuntu-latest
diff --git a/config/summary.yaml b/config/summary.yaml
index f7277e9e..2537ddc5 100644
--- a/config/summary.yaml
+++ b/config/summary.yaml
@@ -94,8 +94,8 @@ templates:
   deletion_warning: |
     {{if .HasDestroy}}
     > [!CAUTION]
-    **Terraform will delete resources!** 
-    This plan contains resource delete operations. Please check the plan result very carefully.
+    > **Terraform will delete resources!** 
+    > This plan contains resource delete operations. Please check the plan result very carefully.
     {{end}}
 
   change_inside_terraform: |
@@ -115,18 +115,24 @@ templates:
     {{end}}
   warning: |
     {{if .Warning}}
-    ## :warning: Warnings :warning:
-    {{wrapCode .Warning}}
+    > [!WARNING]
+    > ```
+    {{- range ( .Warning | splitList "\n") }}
+    > {{ . | avoidHTMLEscape -}}
+    {{- end}}
+    > ```
     {{end}}
+
   error_messages: |
     {{ if eq .ExitCode 1 }}
     ---
     {{wrapCode .Result }}
     {{end}}    
     {{if .ErrorMessages}}
-    ## :warning: Errors
-    {{range .ErrorMessages}}
-    * {{. -}}
+    > [!CAUTION]
+    > :warning: Errors
+    {{- range .ErrorMessages}}
+    > * {{. -}}
     {{- end}}{{end}}
 
   infracost: |
diff --git a/tests/components/terraform/foobar/main.tf b/tests/components/terraform/foobar/main.tf
index 23c2e521..20f9efb8 100644
--- a/tests/components/terraform/foobar/main.tf
+++ b/tests/components/terraform/foobar/main.tf
@@ -16,3 +16,14 @@ resource "random_id" "foo" {
 locals {
   failure = var.enabled && var.enable_failure ? file("Failed because failure mode is enabled") : null
 }
+
+data "validation_warning" "warn" {
+  count     = var.enable_warning ? 1 : 0
+  condition = true
+  summary   = "Test warning summary"
+  details   = "Test warning details"
+}
+
+provider "validation" {
+  # Configuration options
+}
diff --git a/tests/components/terraform/foobar/variables.tf b/tests/components/terraform/foobar/variables.tf
index 09193889..0bdd9fa3 100644
--- a/tests/components/terraform/foobar/variables.tf
+++ b/tests/components/terraform/foobar/variables.tf
@@ -7,4 +7,10 @@ variable "enable_failure" {
   type        = bool
   default     = false
   description = "Always fail"
-}
\ No newline at end of file
+}
+
+variable "enable_warning" {
+  type        = bool
+  default     = false
+  description = "Enable warning"
+}
diff --git a/tests/components/terraform/foobar/versions.tf b/tests/components/terraform/foobar/versions.tf
new file mode 100644
index 00000000..5a075c0e
--- /dev/null
+++ b/tests/components/terraform/foobar/versions.tf
@@ -0,0 +1,8 @@
+terraform {
+  required_providers {
+    validation = {
+      source = "tlkamp/validation"
+      version = "1.1.1"
+    }
+  }
+}
\ No newline at end of file
diff --git a/tests/stacks/catalog/foobar-changes.yaml b/tests/stacks/catalog/foobar-changes.yaml
index 48bebbdc..edd54679 100644
--- a/tests/stacks/catalog/foobar-changes.yaml
+++ b/tests/stacks/catalog/foobar-changes.yaml
@@ -9,3 +9,4 @@ components:
         example: blue
         enabled: true
         enable_failure: false
+        enable_warning: true