diff --git a/go.mod b/go.mod
index cd9faa0ae..694de5e87 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ replace github.com/spf13/afero => github.com/chanzuckerberg/afero v0.0.0-2019051
 require (
 	github.com/Masterminds/sprig v2.22.0+incompatible
 	github.com/antzucaro/matchr v0.0.0-20191224151129-ab6ba461ddec
-	github.com/aws/aws-sdk-go v1.51.16
+	github.com/aws/aws-sdk-go v1.51.21
 	github.com/blang/semver v3.5.1+incompatible
 	github.com/chanzuckerberg/go-misc v1.11.1
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
diff --git a/go.sum b/go.sum
index 257dd7b53..bcdcd3189 100644
--- a/go.sum
+++ b/go.sum
@@ -274,8 +274,8 @@ github.com/aws/aws-sdk-go v1.15.78/go.mod h1:E3/ieXAlvM0XWO57iftYVDLLvQ824smPP3A
 github.com/aws/aws-sdk-go v1.31.9/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/aws/aws-sdk-go v1.37.0/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/aws/aws-sdk-go v1.44.122/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
-github.com/aws/aws-sdk-go v1.51.16 h1:vnWKK8KjbftEkuPX8bRj3WHsLy1uhotn0eXptpvrxJI=
-github.com/aws/aws-sdk-go v1.51.16/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
+github.com/aws/aws-sdk-go v1.51.21 h1:UrT6JC9R9PkYYXDZBV0qDKTualMr+bfK2eboTknMgbs=
+github.com/aws/aws-sdk-go v1.51.21/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
 github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f/go.mod h1:AuiFmCCPBSrqvVMvuqFuk0qogytodnVFVSN5CeJB8Gc=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d h1:xDfNPAt8lFiC1UJrqV3uuy861HCTo708pDMbjHHdCas=