diff --git a/cmd/check.go b/cmd/check.go
index a74cc63..6d35e79 100644
--- a/cmd/check.go
+++ b/cmd/check.go
@@ -99,7 +99,7 @@ func check(cmd *cobra.Command, args []string, api Service) error {
 	return checkNode(cmd, args, api, out)
 }
 
-func checkRegion(cmd *cobra.Command, args []string, api Service, show show.Printer[types.StatusRegion]) error {
+func checkRegion(cmd *cobra.Command, _ []string, api Service, show show.Printer[types.StatusRegion]) error {
 	status, err := api.CheckHealthRegion(cmd.Context(), checkDuration)
 	if err != nil {
 		return err
@@ -109,7 +109,7 @@ func checkRegion(cmd *cobra.Command, args []string, api Service, show show.Print
 	return stdout(show.Show(*status))
 }
 
-func checkNode(cmd *cobra.Command, args []string, api Service, show show.Printer[types.StatusNode]) error {
+func checkNode(cmd *cobra.Command, _ []string, api Service, show show.Printer[types.StatusNode]) error {
 	status, err := api.CheckHealthNode(cmd.Context(), rootDatabase, checkDuration)
 	if err != nil {
 		return err
diff --git a/cmd/show.go b/cmd/show.go
index fba3633..ea3b911 100644
--- a/cmd/show.go
+++ b/cmd/show.go
@@ -30,7 +30,7 @@ func init() {
 var showCmd = &cobra.Command{
 	Use:   "show",
 	Short: "show resource utilization",
-	Long:  "show system resource utilization of RDS instance using AWS Performance Inside",
+	Long:  "show system resource utilization of RDS instance using AWS Performance Insights",
 	Example: `
 rds-health show -n name-of-rds-instance -t 7d
 rds-health show -n name-of-rds-instance -t 7d -a max
diff --git a/go.mod b/go.mod
index d545b89..ab00d94 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.22
 toolchain go1.22.0
 
 require (
-	github.com/aws/aws-sdk-go-v2 v1.31.0
+	github.com/aws/aws-sdk-go-v2 v1.32.2
 	github.com/aws/aws-sdk-go-v2/config v1.27.37
 	github.com/aws/aws-sdk-go-v2/service/ec2 v1.179.0
 	github.com/aws/aws-sdk-go-v2/service/pi v1.28.1
@@ -20,15 +20,15 @@ require (
 require (
 	github.com/aws/aws-sdk-go-v2/credentials v1.17.35 // indirect
 	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.14 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.18 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.18 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.21 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.21 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.5 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.20 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sso v1.23.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.27.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sts v1.31.1 // indirect
-	github.com/aws/smithy-go v1.21.0 // indirect
+	github.com/aws/smithy-go v1.22.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
diff --git a/go.sum b/go.sum
index 212a922..946ac05 100644
--- a/go.sum
+++ b/go.sum
@@ -1,15 +1,15 @@
-github.com/aws/aws-sdk-go-v2 v1.31.0 h1:3V05LbxTSItI5kUqNwhJrrrY1BAXxXt0sN0l72QmG5U=
-github.com/aws/aws-sdk-go-v2 v1.31.0/go.mod h1:ztolYtaEUtdpf9Wftr31CJfLVjOnD/CVRkKOOYgF8hA=
+github.com/aws/aws-sdk-go-v2 v1.32.2 h1:AkNLZEyYMLnx/Q/mSKkcMqwNFXMAvFto9bNsHqcTduI=
+github.com/aws/aws-sdk-go-v2 v1.32.2/go.mod h1:2SK5n0a2karNTv5tbP1SjsX0uhttou00v/HpXKM1ZUo=
 github.com/aws/aws-sdk-go-v2/config v1.27.37 h1:xaoIwzHVuRWRHFI0jhgEdEGc8xE1l91KaeRDsWEIncU=
 github.com/aws/aws-sdk-go-v2/config v1.27.37/go.mod h1:S2e3ax9/8KnMSyRVNd3sWTKs+1clJ2f1U6nE0lpvQRg=
 github.com/aws/aws-sdk-go-v2/credentials v1.17.35 h1:7QknrZhYySEB1lEXJxGAmuD5sWwys5ZXNr4m5oEz0IE=
 github.com/aws/aws-sdk-go-v2/credentials v1.17.35/go.mod h1:8Vy4kk7at4aPSmibr7K+nLTzG6qUQAUO4tW49fzUV4E=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.14 h1:C/d03NAmh8C4BZXhuRNboF/DqhBkBCeDiJDcaqIT5pA=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.14/go.mod h1:7I0Ju7p9mCIdlrfS+JCgqcYD0VXz/N4yozsox+0o078=
-github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.18 h1:kYQ3H1u0ANr9KEKlGs/jTLrBFPo8P8NaH/w7A01NeeM=
-github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.18/go.mod h1:r506HmK5JDUh9+Mw4CfGJGSSoqIiLCndAuqXuhbv67Y=
-github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.18 h1:Z7IdFUONvTcvS7YuhtVxN99v2cCoHRXOS4mTr0B/pUc=
-github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.18/go.mod h1:DkKMmksZVVyat+Y+r1dEOgJEfUeA7UngIHWeKsi0yNc=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.21 h1:UAsR3xA31QGf79WzpG/ixT9FZvQlh5HY1NRqSHBNOCk=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.21/go.mod h1:JNr43NFf5L9YaG3eKTm7HQzls9J+A9YYcGI5Quh1r2Y=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.21 h1:6jZVETqmYCadGFvrYEQfC5fAQmlo80CeL5psbno6r0s=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.21/go.mod h1:1SR0GbLlnN3QUmYaflZNiH1ql+1qrSiB2vwcJ+4UM60=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.1 h1:VaRN3TlFdd6KxX1x3ILT5ynH6HvKgqdiXoTxAF4HQcQ=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.1/go.mod h1:FbtygfRFze9usAadmnGJNc8KsP346kEe+y2/oyhGAGc=
 github.com/aws/aws-sdk-go-v2/service/ec2 v1.179.0 h1:yCb6SUDqSodc2t8Jqdc35zq9V81a9pyV8SUTBluvA/Q=
@@ -28,8 +28,8 @@ github.com/aws/aws-sdk-go-v2/service/ssooidc v1.27.1 h1:0L7yGCg3Hb3YQqnSgBTZM5we
 github.com/aws/aws-sdk-go-v2/service/ssooidc v1.27.1/go.mod h1:FnvDM4sfa+isJ3kDXIzAB9GAwVSzFzSy97uZ3IsHo4E=
 github.com/aws/aws-sdk-go-v2/service/sts v1.31.1 h1:8K0UNOkZiK9Uh3HIF6Bx0rcNCftqGCeKmOaR7Gp5BSo=
 github.com/aws/aws-sdk-go-v2/service/sts v1.31.1/go.mod h1:yMWe0F+XG0DkRZK5ODZhG7BEFYhLXi2dqGsv6tX0cgI=
-github.com/aws/smithy-go v1.21.0 h1:H7L8dtDRk0P1Qm6y0ji7MCYMQObJ5R9CRpyPhRUkLYA=
-github.com/aws/smithy-go v1.21.0/go.mod h1:irrKGvNn1InZwb2d7fkIRNucdfwR8R+Ts3wxYa/cJHg=
+github.com/aws/smithy-go v1.22.0 h1:uunKnWlcoL3zO7q+gG2Pk53joueEOsnNB28QdMsmiMM=
+github.com/aws/smithy-go v1.22.0/go.mod h1:irrKGvNn1InZwb2d7fkIRNucdfwR8R+Ts3wxYa/cJHg=
 github.com/chengxilo/virtualterm v1.0.4 h1:Z6IpERbRVlfB8WkOmtbHiDbBANU7cimRIof7mk9/PwM=
 github.com/chengxilo/virtualterm v1.0.4/go.mod h1:DyxxBZz/x1iqJjFxTFcr6/x+jSpqN0iwWCOK1q10rlY=
 github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
diff --git a/internal/types/stats.go b/internal/types/stats.go
index 6b2f99c..e678fb2 100644
--- a/internal/types/stats.go
+++ b/internal/types/stats.go
@@ -101,7 +101,7 @@ func PercentileOf(seq []float64, x float64) float64 {
 	return md
 }
 
-func maybeNaN(x float64, err error) float64 { return x }
+func maybeNaN(x float64, _ error) float64 { return x }
 
 func encodeVal(x float64) any {
 	if math.IsNaN(x) {