diff --git a/CHANGELOG.next.toml b/CHANGELOG.next.toml
index b303a4b601..781d528fc4 100644
--- a/CHANGELOG.next.toml
+++ b/CHANGELOG.next.toml
@@ -149,3 +149,9 @@ message = "Convert the `protocol` argument on `PyMiddlewares::new` constructor t
 references = ["smithy-rs#1829"]
 meta = { "breaking" = true, "tada" = false, "bug" = false, "target" = "server" }
 author = "hlbarber"
+
+[[smithy-rs]]
+message = "Update aws-types zeroize to flexible version to prevent downstream version conflicts."
+references = ["smithy-rs#1817"]
+meta = { "breaking" = false, "tada" = false, "bug" = true }
+author = "ethyi"
\ No newline at end of file
diff --git a/aws/rust-runtime/aws-types/Cargo.toml b/aws/rust-runtime/aws-types/Cargo.toml
index 86c2293b30..54b599ed29 100644
--- a/aws/rust-runtime/aws-types/Cargo.toml
+++ b/aws/rust-runtime/aws-types/Cargo.toml
@@ -16,7 +16,7 @@ aws-smithy-types = { path = "../../../rust-runtime/aws-smithy-types" }
 aws-smithy-client = { path = "../../../rust-runtime/aws-smithy-client" }
 aws-smithy-http = { path = "../../../rust-runtime/aws-smithy-http" }
 tracing = "0.1"
-zeroize = "1.4.1"
+zeroize = "1"
 http = "0.2.6"
 
 [dev-dependencies]