diff --git a/infra/gcp-ephemeral/.terraform-version b/infra/gcp-ephemeral/.terraform-version
index d324349..04cc999 100644
--- a/infra/gcp-ephemeral/.terraform-version
+++ b/infra/gcp-ephemeral/.terraform-version
@@ -1 +1 @@
-1.15.5
+1.15.6