diff --git a/.env b/.env
index 3d264da530..37ee1cdf62 100644
--- a/.env
+++ b/.env
@@ -1,8 +1,8 @@
 IMAGE_REPO=milvusdb
 IMAGE_ARCH=amd64
 OS_NAME=ubuntu20.04
-DATE_VERSION=20220825-0bb6526
-LATEST_DATE_VERSION=20220825-0bb6526
+DATE_VERSION=20220826-9e80a5d
+LATEST_DATE_VERSION=20220826-9e80a5d
 MINIO_ADDRESS=minio:9000
 PULSAR_ADDRESS=pulsar://pulsar:6650
-ETCD_ENDPOINTS=etcd:2379
+ETCD_ENDPOINTS=etcd:2379
\ No newline at end of file
diff --git a/.github/workflows/publish-builder.yaml b/.github/workflows/publish-builder.yaml
index 2a02fcddd4..fe59a06779 100644
--- a/.github/workflows/publish-builder.yaml
+++ b/.github/workflows/publish-builder.yaml
@@ -67,7 +67,7 @@ jobs:
           git commit -m "Update Builder image changes"
       - name: Create Pull Request
         id: cpr
-        if: success() && github.event_name == 'push' && github.repository == 'milvus-io/milvus' && matrix.os == 'ubuntu18.04'
+        if: success() && github.event_name == 'push' && github.repository == 'milvus-io/milvus' && matrix.os == 'ubuntu20.04'
         continue-on-error: true
         uses: peter-evans/create-pull-request@v3
         with:
@@ -79,10 +79,10 @@ jobs:
           title: '[automated] Update Builder image changes'
           body: |
             Update Builder image changes
-
+            See changes: https://github.com/milvus-io/milvus/commit/${{ github.sha }}
             Signed-off-by: ${{ github.actor }} ${{ github.actor }}@users.noreply.github.com
       - name: Check outputs
-        if: success() && github.event_name == 'push' && github.repository == 'milvus-io/milvus' && matrix.os == 'ubuntu18.04'
+        if: success() && github.event_name == 'push' && github.repository == 'milvus-io/milvus' && matrix.os == 'ubuntu20.04'
         run: |
           echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
           echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"
diff --git a/build/build_image.sh b/build/build_image.sh
index 1a28fc6935..1fae943153 100755
--- a/build/build_image.sh
+++ b/build/build_image.sh
@@ -24,7 +24,7 @@ set -x
 # Absolute path to the toplevel milvus directory.
 toplevel=$(dirname "$(cd "$(dirname "${0}")"; pwd)")
 
-OS_NAME="${OS_NAME:-ubuntu18.04}"
+OS_NAME="${OS_NAME:-ubuntu20.04}"
 MILVUS_IMAGE_REPO="${MILVUS_IMAGE_REPO:-milvusdb/milvus}"
 MILVUS_IMAGE_TAG="${MILVUS_IMAGE_TAG:-latest}"
 
diff --git a/build/builder.sh b/build/builder.sh
index 7d14fdd720..cbf5ff53d0 100755
--- a/build/builder.sh
+++ b/build/builder.sh
@@ -5,7 +5,7 @@ set -euo pipefail
 # Absolute path to the toplevel milvus directory.
 toplevel=$(dirname "$(cd "$(dirname "${0}")"; pwd)")
 
-export OS_NAME="${OS_NAME:-ubuntu18.04}"
+export OS_NAME="${OS_NAME:-ubuntu20.04}"
 
 pushd "${toplevel}"
 
diff --git a/build/docker/builder/cpu/ubuntu20.04/Dockerfile b/build/docker/builder/cpu/ubuntu20.04/Dockerfile
index 072755802e..3f501fb73f 100644
--- a/build/docker/builder/cpu/ubuntu20.04/Dockerfile
+++ b/build/docker/builder/cpu/ubuntu20.04/Dockerfile
@@ -15,7 +15,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends wget curl ca-ce
     wget -qO- "https://cmake.org/files/v3.18/cmake-3.18.6-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C /usr/local && \
     apt-get update && apt-get install -y --no-install-recommends \
     g++ gcc gfortran git make ccache libssl-dev zlib1g-dev libboost-regex-dev libboost-program-options-dev libboost-system-dev \
-    libboost-filesystem-dev libboost-serialization-dev python3-dev libboost-python-dev libcurl4-openssl-dev libtbb-dev clang-format-10 clang-tidy-10 lcov libtool m4 autoconf automake  && \
+    libboost-filesystem-dev libboost-serialization-dev python3-dev libboost-python-dev libcurl4-openssl-dev libtbb-dev clang-format-10 clang-tidy-10 lcov libtool m4 autoconf automake python  && \
     apt-get remove --purge -y && \
     rm -rf /var/lib/apt/lists/*
 
diff --git a/build/docker/milvus/ubuntu20.04/Dockerfile b/build/docker/milvus/ubuntu20.04/Dockerfile
index 2f006130bf..0423b47320 100644
--- a/build/docker/milvus/ubuntu20.04/Dockerfile
+++ b/build/docker/milvus/ubuntu20.04/Dockerfile
@@ -12,7 +12,7 @@
 FROM milvusdb/openblas:ubuntu20.04-20220825-4feedf1 AS openblas
 
 #FROM alpine
-FROM ubuntu:ubuntu:focal-20220426
+FROM ubuntu:focal-20220426
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends libtbb-dev gfortran netcat iputils-ping ca-certificates && \