diff --git a/modules/project_cleanup/function_source/go.mod b/modules/project_cleanup/function_source/go.mod
index 479df09..c65bf79 100644
--- a/modules/project_cleanup/function_source/go.mod
+++ b/modules/project_cleanup/function_source/go.mod
@@ -1,6 +1,6 @@
 module github.com/terraform-google-modules/terraform-google-scheduled-function/modules/project_cleanup
 
-go 1.18
+go 1.20
 
 require (
 	golang.org/x/net v0.10.0
diff --git a/test/integration/go.mod b/test/integration/go.mod
index adf2098..6bfc714 100644
--- a/test/integration/go.mod
+++ b/test/integration/go.mod
@@ -1,6 +1,6 @@
 module github.com/terraform-google-modules/terraform-google-scheduled-function/test/integration
 
-go 1.18
+go 1.20
 
 require (
 	github.com/GoogleCloudPlatform/cloud-foundation-toolkit/infra/blueprint-test v0.5.1