diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 123860c..54b92e0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,6 +25,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: true
 
       - uses: actions/setup-java@v4
         with:
diff --git a/README.md b/README.md
index 6e33e41..ada4dfb 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![CI](https://github.com/marytts/voice-bits1-hsmm/actions/workflows/main.yml/badge.svg)](https://github.com/marytts/voice-bits1-hsmm/actions/workflows/main.yml)
+
 # voice-bits1-hsmm
 
 A female German hidden semi-Markov model voice, built from voice recordings provided by the [BITS](http://www.phonetik.uni-muenchen.de/forschung/BITS/) project at the [Bavarian Archive of Speech Signals](http://www.bas.uni-muenchen.de/)