diff --git a/Dockerfile b/Dockerfile
index 3e421ff020..2cbb0c0b36 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,7 +40,7 @@ RUN set -ex; \
 COPY . .
 RUN mvn -q -B clean package -Pdist -Dquick -DskipContainerImageBuild=true -DskipDocs=true -Dmaven.test.skip
 
-FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773204619
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773895075@sha256:f225a0f8eb7d258011e1f7c8b025dc7dd155d6ffc66c17cd203dcec88935b455
 
 ARG JAVA_VERSION=21
 ARG KROXYLICIOUS_VERSION
diff --git a/Dockerfile.operator b/Dockerfile.operator
index cc408ebbd6..a0c10a528e 100644
--- a/Dockerfile.operator
+++ b/Dockerfile.operator
@@ -41,7 +41,7 @@ COPY . .
 
 RUN mvn -q -B clean package -Pdist -Dquick -DskipContainerImageBuild=true -DskipDocs=true -Dmaven.test.skip
 
-FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773204619
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773895075@sha256:f225a0f8eb7d258011e1f7c8b025dc7dd155d6ffc66c17cd203dcec88935b455
 
 ARG JAVA_VERSION=21
 ARG KROXYLICIOUS_VERSION
diff --git a/kroxylicious-app/src/main/docker/proxy.dockerfile b/kroxylicious-app/src/main/docker/proxy.dockerfile
index 283ad9158e..fd4363e126 100644
--- a/kroxylicious-app/src/main/docker/proxy.dockerfile
+++ b/kroxylicious-app/src/main/docker/proxy.dockerfile
@@ -4,7 +4,7 @@
 # Licensed under the Apache Software License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 #
 
-FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773204619
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773895075@sha256:f225a0f8eb7d258011e1f7c8b025dc7dd155d6ffc66c17cd203dcec88935b455
 
 ARG TARGETOS
 ARG TARGETARCH
diff --git a/kroxylicious-operator/src/main/docker/operator.dockerfile b/kroxylicious-operator/src/main/docker/operator.dockerfile
index b57c38ff93..fa7ceb6185 100644
--- a/kroxylicious-operator/src/main/docker/operator.dockerfile
+++ b/kroxylicious-operator/src/main/docker/operator.dockerfile
@@ -4,7 +4,7 @@
 # Licensed under the Apache Software License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 #
 
-FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773204619
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.7-1773895075@sha256:f225a0f8eb7d258011e1f7c8b025dc7dd155d6ffc66c17cd203dcec88935b455
 
 ARG TARGETOS=linux
 ARG TARGETARCH