diff --git a/release/schema-deployer/Dockerfile b/release/schema-deployer/Dockerfile
index 29b986421..972b40088 100644
--- a/release/schema-deployer/Dockerfile
+++ b/release/schema-deployer/Dockerfile
@@ -23,7 +23,7 @@
 
 # Although any Linux-based Java image with bash would work (e.g., openjdk:11),
 # as a GCP application we prefer to start with a GCP-approved base image.
-FROM marketplace.gcr.io/google/ubuntu1804
+FROM marketplace.gcr.io/google/debian10
 ENV DEBIAN_FRONTEND=noninteractive LANG=en_US.UTF-8
 # Install openjdk-11
 RUN apt-get update -y \
diff --git a/release/schema-verifier/Dockerfile b/release/schema-verifier/Dockerfile
index 76ddcf5e3..e31d9fe14 100644
--- a/release/schema-verifier/Dockerfile
+++ b/release/schema-verifier/Dockerfile
@@ -22,7 +22,7 @@
 # Please refer to verify_deployed_sql_schema.sh for expected volumes and
 # arguments.
 
-FROM marketplace.gcr.io/google/ubuntu1804
+FROM marketplace.gcr.io/google/debian10
 ENV DEBIAN_FRONTEND=noninteractive LANG=en_US.UTF-8
 # Install pg_dump v11 (same as current server version). This needs to be
 # downloaded from postgresql's own repo, because ubuntu1804 is too old. With a