diff --git a/lambda_function/ci.tf b/lambda_function/ci.tf
index 8f55927..3592f7d 100644
--- a/lambda_function/ci.tf
+++ b/lambda_function/ci.tf
@@ -69,7 +69,7 @@ resource "aws_codebuild_project" "lambda" {
 
   environment {
     compute_type                = "BUILD_GENERAL1_SMALL"
-    image                       = "aws/codebuild/standard:1.0"
+    image                       = "aws/codebuild/standard:4.0"
     type                        = "LINUX_CONTAINER"
     image_pull_credentials_type = "CODEBUILD"
   }