diff --git a/.kokoro/python2.7/common.cfg b/.kokoro/python2.7/common.cfg
index c84754ddaac..75c60ed35c9 100644
--- a/.kokoro/python2.7/common.cfg
+++ b/.kokoro/python2.7/common.cfg
@@ -19,7 +19,7 @@ timeout_mins: 300
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/python-multi"
+    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
 }
 
 # Download trampoline resources.
diff --git a/.kokoro/python3.6/common.cfg b/.kokoro/python3.6/common.cfg
index b9d99848e09..217802d4747 100644
--- a/.kokoro/python3.6/common.cfg
+++ b/.kokoro/python3.6/common.cfg
@@ -19,7 +19,7 @@ timeout_mins: 300
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/python-multi"
+    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
 }
 
 # Download trampoline resources.
diff --git a/.kokoro/python3.7/common.cfg b/.kokoro/python3.7/common.cfg
index 3ac2adcb09d..d8c8ae56eed 100644
--- a/.kokoro/python3.7/common.cfg
+++ b/.kokoro/python3.7/common.cfg
@@ -19,7 +19,7 @@ timeout_mins: 300
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/python-multi"
+    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
 }
 
 # Download trampoline resources.
diff --git a/.kokoro/python3.8/common.cfg b/.kokoro/python3.8/common.cfg
index fd7dc9863cd..c6ef0fe0f38 100644
--- a/.kokoro/python3.8/common.cfg
+++ b/.kokoro/python3.8/common.cfg
@@ -19,7 +19,7 @@ timeout_mins: 300
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/python-multi"
+    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
 }
 
 # Download trampoline resources.