diff --git a/utils/docker/Dockerfile.jammy b/utils/docker/Dockerfile.jammy
index fce58fc82..70c2f8ca7 100644
--- a/utils/docker/Dockerfile.jammy
+++ b/utils/docker/Dockerfile.jammy
@@ -14,6 +14,8 @@ ENV LC_ALL=C.UTF-8
 RUN find /etc/apt -type f \( -name '*.list' -o -name '*.sources' \) \
       -exec sed -i "s|http://archive.ubuntu.com|http://${UBUNTU_MIRROR_PREFIX}archive.ubuntu.com|g; s|http://ports.ubuntu.com|http://${UBUNTU_MIRROR_PREFIX}ports.ubuntu.com|g" {} + && \
     apt-get update && \
+    # Pick up security fixes that the base image does not have yet.
+    apt-get upgrade -y && \
     apt-get install -y --no-install-recommends openjdk-25-jdk \
     # Install utilities required for downloading browsers
     wget \
diff --git a/utils/docker/Dockerfile.noble b/utils/docker/Dockerfile.noble
index 07d4b8c3b..b52e7d72d 100644
--- a/utils/docker/Dockerfile.noble
+++ b/utils/docker/Dockerfile.noble
@@ -14,6 +14,8 @@ ENV LC_ALL=C.UTF-8
 RUN find /etc/apt -type f \( -name '*.list' -o -name '*.sources' \) \
       -exec sed -i "s|http://archive.ubuntu.com|http://${UBUNTU_MIRROR_PREFIX}archive.ubuntu.com|g; s|http://ports.ubuntu.com|http://${UBUNTU_MIRROR_PREFIX}ports.ubuntu.com|g" {} + && \
     apt-get update && \
+    # Pick up security fixes that the base image does not have yet.
+    apt-get upgrade -y && \
     apt-get install -y --no-install-recommends openjdk-25-jdk \
     # Install utilities required for downloading browsers
     wget \
diff --git a/utils/docker/Dockerfile.resolute b/utils/docker/Dockerfile.resolute
index 58b0ff6ac..1488b20ea 100644
--- a/utils/docker/Dockerfile.resolute
+++ b/utils/docker/Dockerfile.resolute
@@ -14,6 +14,8 @@ ENV LC_ALL=C.UTF-8
 RUN find /etc/apt -type f \( -name '*.list' -o -name '*.sources' \) \
       -exec sed -i "s|http://archive.ubuntu.com|http://${UBUNTU_MIRROR_PREFIX}archive.ubuntu.com|g; s|http://ports.ubuntu.com|http://${UBUNTU_MIRROR_PREFIX}ports.ubuntu.com|g" {} + && \
     apt-get update && \
+    # Pick up security fixes that the base image does not have yet.
+    apt-get upgrade -y && \
     apt-get install -y --no-install-recommends openjdk-25-jdk \
     # Ubuntu 26.04 ships Maven 3.9.12
     maven \