diff --git a/elasticsearch/Dockerfile b/elasticsearch/Dockerfile
index ae8cba6..fa4bdf3 100644
--- a/elasticsearch/Dockerfile
+++ b/elasticsearch/Dockerfile
@@ -68,6 +68,7 @@ FROM redhat/ubi9-minimal:latest
 
 RUN microdnf install --setopt=tsflags=nodocs -y \
     nc shadow-utils zip unzip findutils procps-ng && \
+    microdnf update -y gnupg2 && \
     microdnf clean all
 
 RUN groupadd -g 1000 elasticsearch && \
diff --git a/kibana/Dockerfile b/kibana/Dockerfile
index 981ec76..050d12e 100644
--- a/kibana/Dockerfile
+++ b/kibana/Dockerfile
@@ -68,6 +68,7 @@ EXPOSE 5601
 
 RUN microdnf install --setopt=tsflags=nodocs -y \
       fontconfig liberation-fonts-common freetype shadow-utils nss findutils && \
+      microdnf update -y gnupg2 && \
       microdnf clean all
 
 # Bring in Kibana from the initial stage.
diff --git a/logstash/Dockerfile b/logstash/Dockerfile
index 4185994..d767027 100644
--- a/logstash/Dockerfile
+++ b/logstash/Dockerfile
@@ -14,6 +14,7 @@ RUN \
   microdnf install -y procps findutils tar gzip && \
   microdnf install -y openssl && \
   microdnf install -y which shadow-utils && \
+  microdnf update -y gnupg2 && \
   microdnf clean all
 
 # Provide a non-root user to run the process