diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 18d76f17..450de2e9 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -27,7 +27,7 @@ stages:
       vmImage: ubuntu-24.04
 
     container:
-      image: sonicdev-microsoft.azurecr.io:443/sonic-slave-bookworm-amd64:$(BUILD_BRANCH)
+      image: sonicdev-microsoft.azurecr.io:443/sonic-slave-trixie:$(BUILD_BRANCH)-amd64
 
     steps:
     - checkout: self
@@ -55,11 +55,12 @@ stages:
         sudo dpkg -i libnl-genl-3-200_*.deb
         sudo dpkg -i libnl-route-3-200_*.deb
         sudo dpkg -i libnl-nf-3-200_*.deb
+        sudo dpkg -i libpcre3_*.deb
         sudo dpkg -i libyang_1.0.73_*.deb
         sudo dpkg -i libswsscommon_1.0.0_amd64.deb
         sudo dpkg -i libswsscommon-dev_1.0.0_amd64.deb
         sudo dpkg -i python3-swsscommon_1.0.0_amd64.deb
-      workingDirectory: $(Pipeline.Workspace)/target/debs/bookworm/
+      workingDirectory: $(Pipeline.Workspace)/target/debs/trixie/
       displayName: 'Install Debian dependencies'
 
     - script: |
@@ -72,14 +73,24 @@ stages:
         sudo pip3 install sonic_config_engine-1.0-py3-none-any.whl
         sudo pip3 install sonic_platform_common-1.0-py3-none-any.whl
         sudo pip3 install sonic_utilities-1.2-py3-none-any.whl
-      workingDirectory: $(Pipeline.Workspace)/target/python-wheels/bookworm/
+      workingDirectory: $(Pipeline.Workspace)/target/python-wheels/trixie/
       displayName: 'Install Python dependencies'
 
     - script: |
         set -ex
         # Install .NET CORE
-        curl -sSL https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
-        sudo apt-add-repository https://packages.microsoft.com/debian/12/prod
+        sudo apt-get update
+        sudo apt-get -y install apt-transport-https ca-certificates curl gnupg lsb-release
+
+        # Download Microsoft signing key
+        sudo mkdir -p /etc/apt/keyrings
+        curl -sSL https://packages.microsoft.com/keys/microsoft.asc | \
+          gpg --dearmor | sudo tee /usr/share/keyrings/microsoft-keyring.gpg > /dev/null
+        
+        # Add repo with signed-by pointing to the keyring
+        echo "deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft-keyring.gpg] https://packages.microsoft.com/debian/12/prod bookworm main" | \
+          sudo tee /etc/apt/sources.list.d/microsoft.list
+        
         sudo apt-get update
         sudo apt-get install -y dotnet-sdk-8.0
       displayName: "Install .NET CORE"