diff --git a/test/go.mod b/test/go.mod
index 8a14dc93..601a3705 100644
--- a/test/go.mod
+++ b/test/go.mod
@@ -9,7 +9,7 @@ replace (
 
 require (
 	github.com/blang/semver v3.5.1+incompatible
-	github.com/datawire/ambassador v1.12.2
+	github.com/datawire/ambassador v1.12.3
 	github.com/docker/docker v1.4.2-0.20200203170920-46ec8731fbce
 	github.com/google/go-cmp v0.5.5
 	github.com/google/uuid v1.2.0
diff --git a/test/go.sum b/test/go.sum
index 9d7293cb..28c51cdc 100644
--- a/test/go.sum
+++ b/test/go.sum
@@ -192,6 +192,7 @@ github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2
 github.com/datawire/ambassador v1.11.0 h1:aSk8WgQRVDRDNjUAdCX1zLo0p82HfyEkfcmx1Cld4Ak=
 github.com/datawire/ambassador v1.11.0/go.mod h1:V7hZ5338X79YZ4Gr1jNStqZhDsY/HFSiypimmOdq688=
 github.com/datawire/ambassador v1.12.2/go.mod h1:2grBLdYgILzrgTpenDMB5OeyhObIUaT+KwkLkZI1KDE=
+github.com/datawire/ambassador v1.12.3/go.mod h1:2grBLdYgILzrgTpenDMB5OeyhObIUaT+KwkLkZI1KDE=
 github.com/datawire/dlib v1.1.0/go.mod h1:aCzh74rJ3kOireYbg4gH0CuD48/xA4G+LuHhkpcqo1s=
 github.com/datawire/dlib v1.2.0/go.mod h1:t0upKFHApJskdVFH/gyksG5+vMCl0GCKeEZIEJBBv4g=
 github.com/datawire/pf v0.0.0-20180510150411-31a823f9495a/go.mod h1:H8uUmE8qqo7z9u30MYB9riLyRckPHOPBk9ZdCuH+dQQ=