diff --git a/test/go.mod b/test/go.mod
index 3874add4..cb4329e3 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 b8f49665..5950900c 100644
--- a/test/go.sum
+++ b/test/go.sum
@@ -191,6 +191,7 @@ github.com/cyphar/filepath-securejoin v0.2.2 h1:jCwT2GTP+PY5nBz3c/YL5PAIbusElVrP
 github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2G9VLXONKD9G7QGMM+4=
 github.com/datawire/ambassador v1.12.2 h1:tQOxcCuagD6+lU5uzPAOJuf/grS/kRePn71J9pvQ7I0=
 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 v1.2.0/go.mod h1:t0upKFHApJskdVFH/gyksG5+vMCl0GCKeEZIEJBBv4g=
 github.com/datawire/pf v0.0.0-20180510150411-31a823f9495a/go.mod h1:H8uUmE8qqo7z9u30MYB9riLyRckPHOPBk9ZdCuH+dQQ=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=