diff --git a/Dockerfile b/Dockerfile
index 48b7b51..b1064f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,3 +21,5 @@ ADD https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanne
 RUN unzip /opt/sonar-scanner-cli-4.7.0.2747-linux.zip
 
 ENV PATH="${PATH}:/opt/flutter/bin:/usr/lib/dart/bin:/opt/sonar-scanner-4.7.0.2747-linux/bin"
+
+RUN rm -Rf /var/cache/apt
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