diff --git a/Dockerfile b/Dockerfile
index 4f56d321..8aa3c5b9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -174,7 +174,7 @@ RUN curl -sSLO https://github.com/pinterest/ktlint/releases/latest/download/ktli
 ####################
 RUN wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
 RUN wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VERSION}/glibc-${GLIBC_VERSION}.apk
-RUN apk add --no-cache glibc-${GLIBC_VERSION}.apk
+RUN apk add --no-cache glibc-${GLIBC_VERSION}.apk && rm glibc-${GLIBC_VERSION}.apk
 RUN wget https://storage.googleapis.com/dart-archive/channels/stable/release/${DART_VERSION}/sdk/dartsdk-linux-x64-release.zip -O - -q | unzip -q - \
     && chmod +x dart-sdk/bin/dart* \
     && mv dart-sdk/bin/* /usr/bin/ && mv dart-sdk/lib/* /usr/lib/ && mv dart-sdk/include/* /usr/include/ \