diff --git a/provingground/firmware/moblab_tunnel.sh b/provingground/firmware/moblab_tunnel.sh
index 8e2880d..e0fd059 100755
--- a/provingground/firmware/moblab_tunnel.sh
+++ b/provingground/firmware/moblab_tunnel.sh
@@ -7,13 +7,13 @@
 # Manage ssh tunnels to local mobalabs used for
 # firmware testing.
 
-MOBLAB1="${MOBLAB1:-100.107.195.210}"
+MOBLAB1="${MOBLAB1:-100.107.195.217}"
 MOBLAB2="${MOBLAB2:-100.107.195.212}"
 MOBLAB3="${MOBLAB3:-100.107.195.220}"
-MOBLAB4="${MOBLAB4:-100.107.195.217}"
+MOBLAB4="${MOBLAB4:-100.107.195.213}"
 MOBLAB5="${MOBLAB5:-100.107.195.219}"
 MOBLAB6="${MOBLAB6:-100.107.195.211}"
-MOBLAB7="${MOBLAB7:-100.107.195.209}"
+MOBLAB7="${MOBLAB7:-100.107.195.215}"
 
 declare -A MOBLABS=(
 ["moblab1"]=${MOBLAB1}