diff --git a/Dockerfile.dev b/Dockerfile.dev
index 98d4a93..5f68a26 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -7,7 +7,7 @@
 # to exec into a contain and dig into whatever may be going on inside.
 #
 
-FROM vaporio/foundation:bionic
+FROM docker.io/vaporio/foundation:bionic
 
 WORKDIR /synse
 
diff --git a/emulator/ups/pxgms_ups/Dockerfile b/emulator/ups/pxgms_ups/Dockerfile
index b92fa73..79d81de 100644
--- a/emulator/ups/pxgms_ups/Dockerfile
+++ b/emulator/ups/pxgms_ups/Dockerfile
@@ -1,5 +1,5 @@
 # Ths dockerfile starts the PXGMS UPS (Eaton UPS) SNMP emulator in a container for testing.
-FROM vaporio/vapor-endpoint-base-x64:1.0
+FROM docker.io/vaporio/vapor-endpoint-base-x64:1.0
 
 RUN pip install -I \
     snmpsim \
diff --git a/emulator/ups/tripplite_ups/Dockerfile b/emulator/ups/tripplite_ups/Dockerfile
index 9aa877d..b5095f4 100644
--- a/emulator/ups/tripplite_ups/Dockerfile
+++ b/emulator/ups/tripplite_ups/Dockerfile
@@ -1,6 +1,6 @@
 # Ths dockerfile starts the SNMP emulator for the tripplite ups in a container for testing.
 # This emulator runs on port 1025.
-FROM vaporio/vapor-endpoint-base-x64:1.0
+FROM docker.io/vaporio/vapor-endpoint-base-x64:1.0
 
 RUN pip install -I \
     snmpsim \