diff --git a/tests/plugins/analysis/Dockerfile b/tests/plugins/analysis/Dockerfile
index a96cb3b65..8181c4ddc 100644
--- a/tests/plugins/analysis/Dockerfile
+++ b/tests/plugins/analysis/Dockerfile
@@ -3,4 +3,7 @@ ARG OPENSEARCH_VERSION
 ARG OPENSEARCH_DOCKER_REF
 
 FROM ${OPENSEARCH_DOCKER_HUB_PROJECT}/opensearch:${OPENSEARCH_VERSION}${OPENSEARCH_DOCKER_REF}
-RUN ./bin/opensearch-plugin install -b analysis-phonenumber
+
+# when updating, get the latest/corresponding stable URL with
+# curl -v https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.18.0/latest/linux/x64/tar/builds/opensearch/core-plugins/analysis-phonenumber-2.18.0.zip
+RUN ./bin/opensearch-plugin install https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.18.0/10380/linux/x64/tar/builds/opensearch/core-plugins/analysis-phonenumber-2.18.0.zip