diff --git a/docs/terraform-workbooks/bastion-private-subnet/main.tf b/docs/terraform-workbooks/bastion-private-subnet/main.tf
index 69efa3581..7ba0fcedd 100644
--- a/docs/terraform-workbooks/bastion-private-subnet/main.tf
+++ b/docs/terraform-workbooks/bastion-private-subnet/main.tf
@@ -96,7 +96,7 @@ data "aws_ami" "ubuntu" {
 
   filter {
     name   = "name"
-    values = ["*ubuntu-26.04*"]
+    values = ["*ubuntu-24.04*"]
   }
 
   filter {
diff --git a/docs/terraform-workbooks/nginx-alb/main.tf b/docs/terraform-workbooks/nginx-alb/main.tf
index 44099464c..c35699249 100644
--- a/docs/terraform-workbooks/nginx-alb/main.tf
+++ b/docs/terraform-workbooks/nginx-alb/main.tf
@@ -102,7 +102,7 @@ data "aws_ami" "ubuntu" {
 
   filter {
     name   = "name"
-    values = ["*ubuntu-26.04*"]
+    values = ["*ubuntu-24.04*"]
   }
 }
 
diff --git a/docs/terraform-workbooks/nginx-webserver/main.tf b/docs/terraform-workbooks/nginx-webserver/main.tf
index 1da8b52ed..04c14ed1a 100644
--- a/docs/terraform-workbooks/nginx-webserver/main.tf
+++ b/docs/terraform-workbooks/nginx-webserver/main.tf
@@ -85,7 +85,7 @@ data "aws_ami" "ubuntu" {
 
   filter {
     name   = "name"
-    values = ["*ubuntu-26.04*"]
+    values = ["*ubuntu-24.04*"]
   }
 
   filter {
diff --git a/docs/terraform-workbooks/s3-webapp/main.tf b/docs/terraform-workbooks/s3-webapp/main.tf
index f72c9912c..0c7f40db9 100644
--- a/docs/terraform-workbooks/s3-webapp/main.tf
+++ b/docs/terraform-workbooks/s3-webapp/main.tf
@@ -132,7 +132,7 @@ data "aws_ami" "ubuntu" {
 
   filter {
     name   = "name"
-    values = ["*ubuntu-26.04*"]
+    values = ["*ubuntu-24.04*"]
   }
 
   filter {