diff --git a/Dockerfile b/Dockerfile
index 6a44050344d1b46f0369babd391268c83e2edef1..fdb1a58f0845fc14bf432846eae82ce11440d272 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,12 +12,12 @@ RUN wget --quiet --output-document=android-sdk.zip https://dl.google.com/android
 RUN mkdir android-sdk-linux/licenses && \
     printf "8933bad161af4178b1185d1a37fbf41ea5269c55\nd56f5187479451eabf01fb78af6dfcb131a6481e\n24333f8a63b6825ea9c5514f83c2829b004d1fee" > android-sdk-linux/licenses/android-sdk-license && \
     printf "84831b9409646a918e30573bab4c9c91346d8abd" > android-sdk-linux/licenses/android-sdk-preview-license
-RUN android-sdk-linux/tools/bin/sdkmanager --update
+RUN android-sdk-linux/tools/bin/sdkmanager --update > /dev/null
 RUN android-sdk-linux/tools/bin/sdkmanager \
         "platforms;android-${PLATFORM}" \
         "build-tools;${BUILD_TOOLS}" \
         "extras;google;m2repository" \
-        "extras;android;m2repository"
+        "extras;android;m2repository" > /dev/null
 
 FROM openjdk:11-jdk
 COPY --from=builder /android-sdk-linux /android-sdk-linux