diff --git a/stacks/instagram-poster/terragrunt.hcl b/stacks/instagram-poster/terragrunt.hcl
index 65555b00..ee69c7a2 100644
--- a/stacks/instagram-poster/terragrunt.hcl
+++ b/stacks/instagram-poster/terragrunt.hcl
@@ -19,5 +19,5 @@ dependency "external-secrets" {
 
 inputs = {
   # Bump per deploy. Use 8-char git SHA — :latest causes stale pull-through cache.
-  image_tag = "69e395f2"
+  image_tag = "3b862fe4"
 }