diff --git a/stx/dockerfiles/stx-aptly.Dockerfile b/stx/dockerfiles/stx-aptly.Dockerfile
index d4e65919..9f7328a1 100644
--- a/stx/dockerfiles/stx-aptly.Dockerfile
+++ b/stx/dockerfiles/stx-aptly.Dockerfile
@@ -33,6 +33,9 @@ MAINTAINER mark.asselstine@windriver.com
 
 COPY --from=builder /go/nginx_signing.key nginx_signing.key
 
+# Update certificates
+RUN apt-get -q -y update && apt-get -y install --no-install-recommends ca-certificates && update-ca-certificates
+
 # Add Nginx repository and install required packages
 RUN apt-get -q update && apt-get -y install gnupg2 && \
     echo "deb http://nginx.org/packages/debian/ bullseye nginx" > /etc/apt/sources.list.d/nginx.list && \
diff --git a/stx/dockerfiles/stx-builder.Dockerfile b/stx/dockerfiles/stx-builder.Dockerfile
index 1df34b90..e6903e0b 100644
--- a/stx/dockerfiles/stx-builder.Dockerfile
+++ b/stx/dockerfiles/stx-builder.Dockerfile
@@ -21,6 +21,9 @@ RUN echo "deb-src http://deb.debian.org/debian bullseye main" >> /etc/apt/source
     echo "deb-src http://deb.debian.org/debian buster main" >> /etc/apt/sources.list && \
     echo "deb http://deb.debian.org/debian bullseye contrib" >> /etc/apt/sources.list
 
+# Update certificates
+RUN apt-get -y update && apt-get -y install --no-install-recommends ca-certificates && update-ca-certificates
+
 # Download required dependencies by mirror/build processes.
 RUN apt-get update && apt-get install --no-install-recommends -y \
         bzip2 \
diff --git a/stx/dockerfiles/stx-lat-tool.Dockerfile b/stx/dockerfiles/stx-lat-tool.Dockerfile
index 346f8df4..dece8556 100644
--- a/stx/dockerfiles/stx-lat-tool.Dockerfile
+++ b/stx/dockerfiles/stx-lat-tool.Dockerfile
@@ -18,6 +18,9 @@ MAINTAINER Chen Qi <Qi.Chen@windriver.com>
 
 ARG LAT_BINARY_RESOURCE_PATH=http://mirror.starlingx.cengn.ca/mirror/lat-sdk/lat-sdk-20221008
 
+# Update certificates
+RUN apt-get -y update && apt-get -y install --no-install-recommends ca-certificates && update-ca-certificates
+
 # Install necessary packages
 RUN apt-get -y update && apt-get --no-install-recommends -y install \
         python3 \
diff --git a/stx/dockerfiles/stx-pkgbuilder.Dockerfile b/stx/dockerfiles/stx-pkgbuilder.Dockerfile
index 2b6d6940..a3b20b3c 100644
--- a/stx/dockerfiles/stx-pkgbuilder.Dockerfile
+++ b/stx/dockerfiles/stx-pkgbuilder.Dockerfile
@@ -15,8 +15,12 @@
 FROM debian:bullseye
 
 RUN echo "deb-src http://deb.debian.org/debian bullseye main" >> /etc/apt/sources.list
-# Download required dependencies by mirror/build processes.
 ARG DEBIAN_FRONTEND=noninteractive
+
+# Update certificates
+RUN apt-get -y update && apt-get -y install --no-install-recommends ca-certificates && update-ca-certificates
+
+# Download required dependencies by mirror/build processes.
 RUN     apt-get update && apt-get install --no-install-recommends -y \
         build-essential \
         live-build \