diff --git a/Dockerfile b/Dockerfile
index 0baca82..1c4370a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /app
 
 # Clone pa11y-dashboard repository
-ARG PA11Y_VERSION=4.3.1
+ARG PA11Y_VERSION=4.2.0
 RUN git clone https://github.com/pa11y/pa11y-dashboard.git . && \
     git checkout ${PA11Y_VERSION}