diff --git a/.github/workflows/matrices/plugin-tests.json b/.github/workflows/matrices/plugin-tests.json
index 9295a07..033c80b 100644
--- a/.github/workflows/matrices/plugin-tests.json
+++ b/.github/workflows/matrices/plugin-tests.json
@@ -1 +1 @@
-{"config":[{"name":"Plugin tests (6.0)","swift_version":"6.0","runner":"ubuntu-latest","image":"swift:6.0-jammy","platform":"Linux","setup_command":"apt-get update -y -q && apt-get install -y -q curl protobuf-compiler","command":"curl -s http://raw.githubusercontent.com/grpc/grpc-swift-protobuf/main/dev/plugin-tests.sh | bash","command_arguments":""},{"name":"Plugin tests (nightly-6.1)","swift_version":"nightly-6.1","runner":"ubuntu-latest","image":"swiftlang/swift:nightly-6.1-jammy","platform":"Linux","setup_command":"apt-get update -y -q && apt-get install -y -q curl protobuf-compiler","command":"curl -s http://raw.githubusercontent.com/grpc/grpc-swift-protobuf/main/dev/plugin-tests.sh | bash","command_arguments":""},{"name":"Plugin tests (nightly-main)","swift_version":"nightly-main","runner":"ubuntu-latest","image":"swiftlang/swift:nightly-main-jammy","platform":"Linux","setup_command":"apt-get update -y -q && apt-get install -y -q curl protobuf-compiler","command":"curl -s http://raw.githubusercontent.com/grpc/grpc-swift-protobuf/main/dev/plugin-tests.sh | bash","command_arguments":""}]}
+{"config":[{"name":"Plugin tests (6.0)","swift_version":"6.0","runner":"ubuntu-latest","image":"swift:6.0-jammy","platform":"Linux","setup_command":"apt-get update -y -q && apt-get install -y -q curl protobuf-compiler","command":"curl -s https://raw.githubusercontent.com/rnro/grpc-swift-protobuf/refs/heads/build_plugin_integration_tests/dev/plugin-tests.sh| bash","command_arguments":""},{"name":"Plugin tests (nightly-6.1)","swift_version":"nightly-6.1","runner":"ubuntu-latest","image":"swiftlang/swift:nightly-6.1-jammy","platform":"Linux","setup_command":"apt-get update -y -q && apt-get install -y -q curl protobuf-compiler","command":"curl -s https://raw.githubusercontent.com/rnro/grpc-swift-protobuf/refs/heads/build_plugin_integration_tests/dev/plugin-tests.sh| bash","command_arguments":""},{"name":"Plugin tests (nightly-main)","swift_version":"nightly-main","runner":"ubuntu-latest","image":"swiftlang/swift:nightly-main-jammy","platform":"Linux","setup_command":"apt-get update -y -q && apt-get install -y -q curl protobuf-compiler","command":"curl -s https://raw.githubusercontent.com/rnro/grpc-swift-protobuf/refs/heads/build_plugin_integration_tests/dev/plugin-tests.sh| bash","command_arguments":""}]}