diff --git a/.github/workflows/crds-verify-kind.yaml b/.github/workflows/crds-verify-kind.yaml
index 8aebd88a9e..422254f8a7 100644
--- a/.github/workflows/crds-verify-kind.yaml
+++ b/.github/workflows/crds-verify-kind.yaml
@@ -14,7 +14,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.20.7'
         id: go
       # Look for a CLI that's made for this PR
       - name: Fetch built CLI
diff --git a/.github/workflows/e2e-test-kind.yaml b/.github/workflows/e2e-test-kind.yaml
index 20a1fc4cd9..03eb675302 100644
--- a/.github/workflows/e2e-test-kind.yaml
+++ b/.github/workflows/e2e-test-kind.yaml
@@ -14,7 +14,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.20.7'
         id: go
       # Look for a CLI that's made for this PR
       - name: Fetch built CLI
@@ -72,7 +72,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.20.7'
         id: go
       - name: Check out the code
         uses: actions/checkout@v2
diff --git a/.github/workflows/pr-ci-check.yml b/.github/workflows/pr-ci-check.yml
index d71b602a65..fd47370790 100644
--- a/.github/workflows/pr-ci-check.yml
+++ b/.github/workflows/pr-ci-check.yml
@@ -10,7 +10,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.20.7'
         id: go
       - name: Check out the code
         uses: actions/checkout@v2
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index b1af90a379..3e01a97d7f 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20'
+        go-version: '1.20.7'
       id: go
 
     - uses: actions/checkout@v3
diff --git a/Dockerfile b/Dockerfile
index 587a0e0988..167dc5f040 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Velero binary build section
-FROM --platform=$BUILDPLATFORM golang:1.20-bullseye as velero-builder
+FROM --platform=$BUILDPLATFORM golang:1.20.7-bullseye as velero-builder
 
 ARG GOPROXY
 ARG BIN
@@ -46,7 +46,7 @@ RUN mkdir -p /output/usr/bin && \
     -ldflags "${LDFLAGS}" ${PKG}/cmd/velero-helper
 
 # Restic binary build section
-FROM --platform=$BUILDPLATFORM golang:1.20-bullseye as restic-builder
+FROM --platform=$BUILDPLATFORM golang:1.20.7-bullseye as restic-builder
 
 ARG BIN
 ARG TARGETOS
@@ -68,7 +68,7 @@ RUN mkdir -p /output/usr/bin && \
     /go/src/github.com/vmware-tanzu/velero/hack/build-restic.sh
 
 # Velero image packing section
-FROM gcr.io/distroless/base-nossl-debian11:nonroot
+FROM gcr.io/distroless/base-nossl-debian11@sha256:f10e1fbf558c630a4b74a987e6c754d45bf59f9ddcefce090f6b111925996767
 
 LABEL maintainer="Xun Jiang <jxun@vmware.com>"
 
diff --git a/Tiltfile b/Tiltfile
index 86eb01a9ef..00dc87536c 100644
--- a/Tiltfile
+++ b/Tiltfile
@@ -52,7 +52,7 @@ git_sha = str(local("git rev-parse HEAD", quiet = True, echo_off = True)).strip(
 
 tilt_helper_dockerfile_header = """
 # Tilt image
-FROM golang:1.20 as tilt-helper
+FROM golang:1.20.7 as tilt-helper
 
 # Support live reloading with Tilt
 RUN wget --output-document /restart.sh --quiet https://raw.githubusercontent.com/windmilleng/rerun-process-wrapper/master/restart.sh  && \
diff --git a/hack/build-image/Dockerfile b/hack/build-image/Dockerfile
index 2ce809754a..0a563a9b92 100644
--- a/hack/build-image/Dockerfile
+++ b/hack/build-image/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM --platform=linux/amd64 golang:1.20-bullseye
+FROM --platform=linux/amd64 golang:1.20.7-bullseye
 
 ARG GOPROXY