diff --git a/test/Python/src/docker/FilesPropertyContainerized.lf b/test/Python/src/docker/FilesPropertyContainerized.lf
index 139f1b682a..800e020f04 100644
--- a/test/Python/src/docker/FilesPropertyContainerized.lf
+++ b/test/Python/src/docker/FilesPropertyContainerized.lf
@@ -1,6 +1,8 @@
 target Python {
   files: "../include/hello.py",
-  docker: true
+  docker: {
+    rti-image: "rti:local"
+  }
 }
 
 preamble {=
diff --git a/test/Python/src/docker/HelloWorldContainerized.lf b/test/Python/src/docker/HelloWorldContainerized.lf
index 26e684c580..64df9fb222 100644
--- a/test/Python/src/docker/HelloWorldContainerized.lf
+++ b/test/Python/src/docker/HelloWorldContainerized.lf
@@ -1,5 +1,7 @@
 target Python {
-  docker: true
+  docker: {
+    rti-image: "rti:local"
+  }
 }
 
 import HelloWorld2 from "../HelloWorld.lf"
diff --git a/test/Python/src/docker/PingPongContainerized.lf b/test/Python/src/docker/PingPongContainerized.lf
index 1539a12615..708d4213ff 100644
--- a/test/Python/src/docker/PingPongContainerized.lf
+++ b/test/Python/src/docker/PingPongContainerized.lf
@@ -19,7 +19,9 @@
  */
 target Python {
   fast: true,
-  docker: true
+  docker: {
+    rti-image: "rti:local"
+  }
 }
 
 import Ping from "../PingPong.lf"
diff --git a/test/Python/src/docker/federated/DistributedCountContainerized.lf b/test/Python/src/docker/federated/DistributedCountContainerized.lf
index 48b71bd046..785467d12f 100644
--- a/test/Python/src/docker/federated/DistributedCountContainerized.lf
+++ b/test/Python/src/docker/federated/DistributedCountContainerized.lf
@@ -8,7 +8,9 @@ target Python {
   timeout: 5 sec,
   logging: DEBUG,
   coordination: centralized,
-  docker: true
+  docker: {
+    rti-image: "rti:local"
+  }
 }
 
 import Count from "../../lib/Count.lf"
diff --git a/test/Python/src/docker/federated/DistributedMultiportContainerized.lf b/test/Python/src/docker/federated/DistributedMultiportContainerized.lf
index b4333d8c00..1c07a9c174 100644
--- a/test/Python/src/docker/federated/DistributedMultiportContainerized.lf
+++ b/test/Python/src/docker/federated/DistributedMultiportContainerized.lf
@@ -2,7 +2,9 @@
 target Python {
   timeout: 1 sec,
   coordination: centralized,
-  docker: true
+  docker: {
+    rti-image: "rti:local"
+  }
 }
 
 import Source, Destination from "../../federated/DistributedMultiport.lf"
diff --git a/test/Python/src/docker/federated/DistributedSendClassContainerized.lf b/test/Python/src/docker/federated/DistributedSendClassContainerized.lf
index 797a017146..c13fbea651 100644
--- a/test/Python/src/docker/federated/DistributedSendClassContainerized.lf
+++ b/test/Python/src/docker/federated/DistributedSendClassContainerized.lf
@@ -1,6 +1,8 @@
 target Python {
   coordination: centralized,
-  docker: true
+  docker: {
+    rti-image: "rti:local"
+  }
 }
 
 import A, B from "../../federated/DistributedSendClass.lf"