diff --git a/.ci/azure-pipelines/linux.yml b/.ci/azure-pipelines/linux.yml
index d2f0a0ba..6cfdf725 100644
--- a/.ci/azure-pipelines/linux.yml
+++ b/.ci/azure-pipelines/linux.yml
@@ -3,7 +3,7 @@ jobs:
   pool:
     vmImage: ubuntu-18.04
   steps:
-  - script: sudo apt update && sudo apt-get -y install cmake gcc g++ ninja-build libncurses5-dev libreadline-dev libsodium-dev libssl-dev make zlib1g-dev
+  - script: sudo apt update && sudo apt-get -y install cmake gcc g++ ninja-build libncurses5-dev libreadline-dev libsodium-dev libssl-dev make zlib1g-dev liblz4-dev
     displayName: 'Prepare environment'
   - script: "$(Build.SourcesDirectory)/.ci/azure-pipelines/linux_build.sh"
     env: