diff --git a/Dockerfile b/Dockerfile
index f791a95..663c923 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,7 @@ WORKDIR /opt/kimai
 RUN rm -r tests
 
 # composer base image
-FROM composer:2.0.7 AS composer
+FROM composer:2.0.8 AS composer
 
 
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