diff --git a/.semaphore/semaphore.yml b/.semaphore/semaphore.yml
index 4a228f763..9d39a1196 100644
--- a/.semaphore/semaphore.yml
+++ b/.semaphore/semaphore.yml
@@ -53,7 +53,7 @@ blocks:
           - export LD_LIBRARY_PATH="$HOME/confluent-kafka-go/tmp-build/lib"
           - export DYLD_LIBRARY_PATH="$HOME/confluent-kafka-go/tmp-build/lib"
           - wget -qO - https://packages.confluent.io/deb/5.4/archive.key | sudo apt-key add -
-          - sudo add-apt-repository "deb [arch=amd64] https://packages.confluent.io/deb/5.4 stable main"
+          - sudo add-apt-repository -y "deb [arch=amd64] https://packages.confluent.io/deb/5.4 stable main"
           - sudo apt-get update -q
           - sudo apt-get install confluent-librdkafka-plugins -y
           - rm -rf tmp-build
@@ -84,7 +84,7 @@ blocks:
           - export LD_LIBRARY_PATH="$HOME/confluent-kafka-go/tmp-build/lib"
           - export DYLD_LIBRARY_PATH="$HOME/confluent-kafka-go/tmp-build/lib"
           - wget -qO - https://packages.confluent.io/deb/5.4/archive.key | sudo apt-key add -
-          - sudo add-apt-repository "deb [arch=amd64] https://packages.confluent.io/deb/5.4 stable main"
+          - sudo add-apt-repository -y "deb [arch=amd64] https://packages.confluent.io/deb/5.4 stable main"
           - sudo apt-get update -q
           #- sudo apt-get install confluent-librdkafka-plugins -y
           - rm -rf tmp-build