diff --git a/.azure-pipelines/build-sairedis-template.yml b/.azure-pipelines/build-sairedis-template.yml
index aa6b104b9..b39675544 100644
--- a/.azure-pipelines/build-sairedis-template.yml
+++ b/.azure-pipelines/build-sairedis-template.yml
@@ -59,6 +59,7 @@ jobs:
     displayName: Set up sonic-sairedis branch
   - script: |
       set -ex
+      sudo sed '/^#* *deb.*debian.org/ s/^#* *//' /etc/apt/sources.list -i
       sudo apt-get update
       sudo apt-get install -qq -y \
         qtbase5-dev \
diff --git a/.azure-pipelines/build-swss-template.yml b/.azure-pipelines/build-swss-template.yml
index 7eba8ee2d..994edc7ea 100644
--- a/.azure-pipelines/build-swss-template.yml
+++ b/.azure-pipelines/build-swss-template.yml
@@ -59,6 +59,7 @@ jobs:
     displayName: Set up sonic-swss branch
   - script: |
       set -ex
+      sudo sed '/^#* *deb.*debian.org/ s/^#* *//' /etc/apt/sources.list -i
       sudo apt-get update
       sudo apt-get install -y libhiredis0.14 libhiredis-dev
       sudo apt-get install -y libzmq5 libzmq3-dev
diff --git a/.azure-pipelines/build-template.yml b/.azure-pipelines/build-template.yml
index 7493ad1f3..ea2d23e27 100644
--- a/.azure-pipelines/build-template.yml
+++ b/.azure-pipelines/build-template.yml
@@ -49,6 +49,7 @@ jobs:
     clean: true
   - script: |
       set -ex
+      sudo sed '/^#* *deb.*debian.org/ s/^#* *//' /etc/apt/sources.list -i
       sudo apt-get update
       sudo apt-get install -qq -y \
         libhiredis-dev \