diff --git a/test/contour/install.sh b/test/contour/install.sh
index 917fa1dc..0b47485b 100755
--- a/test/contour/install.sh
+++ b/test/contour/install.sh
@@ -2,7 +2,7 @@
 
 set -o errexit
 
-CONTOUR_VER="release-1.13"
+CONTOUR_VER="release-1.15"
 REPO_ROOT=$(git rev-parse --show-toplevel)
 
 mkdir -p ${REPO_ROOT}/bin
diff --git a/test/istio/install.sh b/test/istio/install.sh
index 3f4a8382..cce48d72 100755
--- a/test/istio/install.sh
+++ b/test/istio/install.sh
@@ -2,7 +2,7 @@
 
 set -o errexit
 
-ISTIO_VER="1.8.2"
+ISTIO_VER="1.10.0"
 REPO_ROOT=$(git rev-parse --show-toplevel)
 
 mkdir -p ${REPO_ROOT}/bin