diff --git a/go.mod b/go.mod
index f2de1bd..462c803 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
 	github.com/oklog/run v1.1.1-0.20200508094559-c7096881717e
 	github.com/peterbourgon/ff/v3 v3.1.2
-	github.com/rs/cors v1.8.2
+	github.com/rs/cors v1.8.3
 	github.com/soheilhy/cmux v0.1.5
 	github.com/tailscale/depaware v0.0.0-20210622194025-720c4b409502
 	github.com/treastech/logger v0.0.0-20180705232552-e381e9ecf2e3
diff --git a/go.sum b/go.sum
index 51697a1..4760ee7 100644
--- a/go.sum
+++ b/go.sum
@@ -265,8 +265,8 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/rs/cors v1.8.2 h1:KCooALfAYGs415Cwu5ABvv9n9509fSiG5SQJn/AQo4U=
-github.com/rs/cors v1.8.2/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=
+github.com/rs/cors v1.8.3 h1:O+qNyWn7Z+F9M0ILBHgMVPuB1xTOucVd5gtaYyXBpRo=
+github.com/rs/cors v1.8.3/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/ryanuber/columnize v2.1.0+incompatible/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/schollz/closestmatch v2.1.0+incompatible/go.mod h1:RtP1ddjLong6gTkbtmuhtR2uUrrJOpYzYRvbcPAid+g=