diff --git a/Containerfile b/Containerfile
index ee31659..52309a1 100644
--- a/Containerfile
+++ b/Containerfile
@@ -6,10 +6,20 @@ ARG VCS_REF
 
 LABEL description="Container image based on fedora-minimal, hourly updated, serving as a base image for other projects"
 
+# as per https://github.com/opencontainers/image-spec/blob/main/annotations.md,
+# keep Label Schema labels for backward compatibility.
 LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.vcs-url="https://git.dotya.ml/wanderer-containers/fedora-minimal.git" \
       org.label-schema.vcs-ref=$VCS_REF \
-      org.label-schema.license=MIT
+      org.label-schema.license=MIT \
+      org.opencontainers.image.description="fedora-minimal" \
+      org.opencontainers.image.description="Container image based on fedora-minimal, hourly updated, serving as a base image for other projects" \
+      org.opencontainers.image.created=$BUILD_DATE \
+      org.opencontainers.image.authors=wanderer \
+      org.opencontainers.image.url="https://git.dotya.ml/wanderer-containers/fedora-minimal.git" \
+      org.opencontainers.image.source="https://git.dotya.ml/wanderer-containers/fedora-minimal.git" \
+      org.opencontainers.image.revision=$VCS_REF \
+      org.opencontainers.image.licenses=MIT
 
 # DL3041 warning: Specify version with `dnf install -y <package>-<version>`.
 # hadolint ignore=DL3041