diff --git a/aws/rust-runtime/aws-sigv4/Cargo.toml b/aws/rust-runtime/aws-sigv4/Cargo.toml
index 9a497c80e8..daa4d3173c 100644
--- a/aws/rust-runtime/aws-sigv4/Cargo.toml
+++ b/aws/rust-runtime/aws-sigv4/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "aws-sigv4"
-version = "1.2.1"
+version = "1.2.2"
 authors = ["AWS Rust SDK Team <aws-sdk-rust@amazon.com>", "David Barsky <me@davidbarsky.com>"]
 description = "SigV4 signer for HTTP requests and Event Stream messages."
 edition = "2021"
@@ -29,7 +29,7 @@ hmac = "0.12"
 http0 = { version = "0.2", optional = true, package = "http" }
 http = { version = "1", optional = true }
 once_cell = "1.8"
-p256 = { version = "0.11", features = ["ecdsa"], optional = true }
+p256 = { version = "0.10", features = ["ecdsa"], optional = true }
 percent-encoding = { version = "2.1", optional = true }
 ring = { version = "0.17.5", optional = true }
 sha2 = "0.10"