diff --git a/go.mod b/go.mod
index 05afecf..d9404f8 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module aws-sigv4-proxy
 go 1.22.4
 
 require (
-	github.com/aws/aws-sdk-go v1.55.3
+	github.com/aws/aws-sdk-go v1.55.5
 	github.com/sirupsen/logrus v1.9.3
 	github.com/stretchr/testify v1.8.4
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
diff --git a/go.sum b/go.sum
index a7a5f9f..ea4f051 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafo
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9 h1:ez/4by2iGztzR4L0zgAOR8lTQK9VlyBVVd7G4omaOQs=
 github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
-github.com/aws/aws-sdk-go v1.55.3 h1:0B5hOX+mIx7I5XPOrjrHlKSDQV/+ypFZpIHOx5LOk3E=
-github.com/aws/aws-sdk-go v1.55.3/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
+github.com/aws/aws-sdk-go v1.55.5 h1:KKUZBfBoyqy5d3swXyiC7Q76ic40rYcbqH7qjh59kzU=
+github.com/aws/aws-sdk-go v1.55.5/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/endpoints/defaults.go b/vendor/github.com/aws/aws-sdk-go/aws/endpoints/defaults.go
index 069debf..c3516e0 100644
--- a/vendor/github.com/aws/aws-sdk-go/aws/endpoints/defaults.go
+++ b/vendor/github.com/aws/aws-sdk-go/aws/endpoints/defaults.go
@@ -9503,6 +9503,12 @@ var awsPartition = partition{
 				endpointKey{
 					Region: "eu-central-1",
 				}: endpoint{},
+				endpointKey{
+					Region: "eu-north-1",
+				}: endpoint{},
+				endpointKey{
+					Region: "eu-south-2",
+				}: endpoint{},
 				endpointKey{
 					Region: "eu-west-1",
 				}: endpoint{},
@@ -32566,6 +32572,9 @@ var awsPartition = partition{
 				endpointKey{
 					Region: "ca-central-1",
 				}: endpoint{},
+				endpointKey{
+					Region: "ca-west-1",
+				}: endpoint{},
 				endpointKey{
 					Region: "eu-central-1",
 				}: endpoint{},
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/version.go b/vendor/github.com/aws/aws-sdk-go/aws/version.go
index 514bf3a..d15e3c8 100644
--- a/vendor/github.com/aws/aws-sdk-go/aws/version.go
+++ b/vendor/github.com/aws/aws-sdk-go/aws/version.go
@@ -5,4 +5,4 @@ package aws
 const SDKName = "aws-sdk-go"
 
 // SDKVersion is the version of this SDK
-const SDKVersion = "1.55.3"
+const SDKVersion = "1.55.5"
diff --git a/vendor/modules.txt b/vendor/modules.txt
index c9a3ab7..5c1f7a5 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -5,7 +5,7 @@ github.com/alecthomas/template/parse
 # github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9
 ## explicit; go 1.15
 github.com/alecthomas/units
-# github.com/aws/aws-sdk-go v1.55.3
+# github.com/aws/aws-sdk-go v1.55.5
 ## explicit; go 1.19
 github.com/aws/aws-sdk-go/aws
 github.com/aws/aws-sdk-go/aws/auth/bearer