diff --git a/Dockerfiles/dashboards.Dockerfile b/Dockerfiles/dashboards.Dockerfile
index 1ad46d5b2..6eecb4c79 100644
--- a/Dockerfiles/dashboards.Dockerfile
+++ b/Dockerfiles/dashboards.Dockerfile
@@ -1,4 +1,4 @@
-FROM opensearchproject/opensearch-dashboards:2.19.0
+FROM opensearchproject/opensearch-dashboards:2.18.0
 
 LABEL maintainer="malcolm@inl.gov"
 LABEL org.opencontainers.image.authors='malcolm@inl.gov'
@@ -42,10 +42,10 @@ RUN export BINARCH=$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')
     # Malcolm manages authentication and encryption via NGINX reverse proxy
     /usr/share/opensearch-dashboards/bin/opensearch-dashboards-plugin remove securityDashboards --allow-root && \
     cd /tmp && \
-        unzip transformVis.zip opensearch-dashboards/transformVis/opensearch_dashboards.json opensearch-dashboards/transformVis/package.json && \
-        sed -i "s/2\.18\.0/2\.19\.0/g" opensearch-dashboards/transformVis/opensearch_dashboards.json && \
-        sed -i "s/2\.18\.0/2\.19\.0/g" opensearch-dashboards/transformVis/package.json && \
-        zip transformVis.zip opensearch-dashboards/transformVis/opensearch_dashboards.json opensearch-dashboards/transformVis/package.json && \
+        # unzip transformVis.zip opensearch-dashboards/transformVis/opensearch_dashboards.json opensearch-dashboards/transformVis/package.json && \
+        # sed -i "s/2\.17\.1/2\.18\.0/g" opensearch-dashboards/transformVis/opensearch_dashboards.json && \
+        # sed -i "s/2\.17\.1/2\.18\.0/g" opensearch-dashboards/transformVis/package.json && \
+        # zip transformVis.zip opensearch-dashboards/transformVis/opensearch_dashboards.json opensearch-dashboards/transformVis/package.json && \
         cd /usr/share/opensearch-dashboards/plugins && \
         /usr/share/opensearch-dashboards/bin/opensearch-dashboards-plugin install file:///tmp/transformVis.zip --allow-root && \
         rm -rf /tmp/transformVis /tmp/opensearch-dashboards && \
diff --git a/Dockerfiles/opensearch.Dockerfile b/Dockerfiles/opensearch.Dockerfile
index 57a57c7d0..5be994df8 100644
--- a/Dockerfiles/opensearch.Dockerfile
+++ b/Dockerfiles/opensearch.Dockerfile
@@ -1,4 +1,4 @@
-FROM opensearchproject/opensearch:2.19.0
+FROM opensearchproject/opensearch:2.18.0
 
 # Copyright (c) 2025 Battelle Energy Alliance, LLC.  All rights reserved.
 LABEL maintainer="malcolm@inl.gov"