diff --git a/appveyor.yml b/appveyor.yml
index b01512854..74d9551b5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,7 +5,7 @@ cache:
 image: Visual Studio 2019
 build: off
 install:
-  - git submodule update --init --recursive
+  - git clone https://github.com/antlr/antlr-php-runtime.git
   - cinst -y dart-sdk --version=2.8.4
 build_script:
   - mvn -DskipTests install --batch-mode