diff --git a/tools/internal_ci/linux/grpc_xds_k8s_lb.sh b/tools/internal_ci/linux/grpc_xds_k8s_lb.sh
index 78dc6f3c26a..e2c8daa82d8 100755
--- a/tools/internal_ci/linux/grpc_xds_k8s_lb.sh
+++ b/tools/internal_ci/linux/grpc_xds_k8s_lb.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test client Docker images
 readonly SERVER_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-server"
 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-client"
diff --git a/tools/internal_ci/linux/grpc_xds_k8s_lb_python.sh b/tools/internal_ci/linux/grpc_xds_k8s_lb_python.sh
index 71d4e578efb..10c1525fcf2 100755
--- a/tools/internal_ci/linux/grpc_xds_k8s_lb_python.sh
+++ b/tools/internal_ci/linux/grpc_xds_k8s_lb_python.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test client Docker images
 readonly SERVER_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/python-server"
 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/python-client"
diff --git a/tools/internal_ci/linux/grpc_xds_k8s_xbranch.sh b/tools/internal_ci/linux/grpc_xds_k8s_xbranch.sh
index 09204d88edb..673ff41e67f 100644
--- a/tools/internal_ci/linux/grpc_xds_k8s_xbranch.sh
+++ b/tools/internal_ci/linux/grpc_xds_k8s_xbranch.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 readonly LANGS="cpp go java"
 readonly MAIN_BRANCH="${MAIN_BRANCH:-master}"
 
diff --git a/tools/internal_ci/linux/grpc_xds_k8s_xlang.sh b/tools/internal_ci/linux/grpc_xds_k8s_xlang.sh
index cab473f7c6b..6a84456133b 100755
--- a/tools/internal_ci/linux/grpc_xds_k8s_xlang.sh
+++ b/tools/internal_ci/linux/grpc_xds_k8s_xlang.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test server/client Docker images
 readonly SERVER_LANGS="cpp go java"
 readonly CLIENT_LANGS="cpp go java"
diff --git a/tools/internal_ci/linux/grpc_xds_resource_cleanup.sh b/tools/internal_ci/linux/grpc_xds_resource_cleanup.sh
index ad212f505ae..7a7a9bc3864 100644
--- a/tools/internal_ci/linux/grpc_xds_resource_cleanup.sh
+++ b/tools/internal_ci/linux/grpc_xds_resource_cleanup.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 # Keep orphaned resources last 2 days.
 readonly KEEP_HOURS="${KEEP_HOURS:-48}"
 
diff --git a/tools/internal_ci/linux/grpc_xds_url_map.sh b/tools/internal_ci/linux/grpc_xds_url_map.sh
index 8137d029b73..324494d7579 100755
--- a/tools/internal_ci/linux/grpc_xds_url_map.sh
+++ b/tools/internal_ci/linux/grpc_xds_url_map.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test client Docker images
 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-client"
 readonly FORCE_IMAGE_BUILD="${FORCE_IMAGE_BUILD:-0}"
diff --git a/tools/internal_ci/linux/grpc_xds_url_map_python.sh b/tools/internal_ci/linux/grpc_xds_url_map_python.sh
index 32545293dc8..541d5875dfa 100755
--- a/tools/internal_ci/linux/grpc_xds_url_map_python.sh
+++ b/tools/internal_ci/linux/grpc_xds_url_map_python.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test client Docker images
 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/python-client"
 readonly FORCE_IMAGE_BUILD="${FORCE_IMAGE_BUILD:-0}"
diff --git a/tools/internal_ci/linux/psm-csm.sh b/tools/internal_ci/linux/psm-csm.sh
index b58e0747133..ecdf113006b 100755
--- a/tools/internal_ci/linux/psm-csm.sh
+++ b/tools/internal_ci/linux/psm-csm.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test server/client Docker images
 readonly SERVER_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-server"
 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-client"
diff --git a/tools/internal_ci/linux/psm-security-python.sh b/tools/internal_ci/linux/psm-security-python.sh
index bda9ed8347e..d746b79c8f5 100755
--- a/tools/internal_ci/linux/psm-security-python.sh
+++ b/tools/internal_ci/linux/psm-security-python.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test server/client Docker images
 readonly SERVER_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/python-server"
 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/python-client"
diff --git a/tools/internal_ci/linux/psm-security.sh b/tools/internal_ci/linux/psm-security.sh
index 8c102d1b7ff..48c006ffce0 100755
--- a/tools/internal_ci/linux/psm-security.sh
+++ b/tools/internal_ci/linux/psm-security.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 
 # Constants
 readonly GITHUB_REPOSITORY_NAME="grpc"
-readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc/${TEST_DRIVER_BRANCH:-master}/tools/internal_ci/linux/grpc_xds_k8s_install_test_driver.sh"
+readonly TEST_DRIVER_INSTALL_SCRIPT_URL="https://raw.githubusercontent.com/${TEST_DRIVER_REPO_OWNER:-grpc}/psm-interop/${TEST_DRIVER_BRANCH:-main}/.kokoro/psm_interop_kokoro_lib.sh"
 ## xDS test server/client Docker images
 readonly SERVER_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-server"
 readonly CLIENT_IMAGE_NAME="gcr.io/grpc-testing/xds-interop/cpp-client"