diff --git a/hblock b/hblock
index e5e1d58..ad30b2a 100755
--- a/hblock
+++ b/hblock
@@ -712,6 +712,11 @@ main() {
 				${C?} Generated with hBlock ${HBLOCK_VERSION:?} (${HBLOCK_REPOSITORY:?})
 				${C?} Blocked domains: ${blocklistCount:?}
 			EOF
+			if [ -z "${SOURCE_DATE_EPOCH+x}" ]; then
+				cat <<-EOF
+					${C?} Date: $(date)
+				EOF
+			fi
 		fi
 
 		# If the header file is not empty, it is appended to the output file.
diff --git a/resources/tests/env.sh b/resources/tests/env.sh
index 7786ac8..5ccf582 100644
--- a/resources/tests/env.sh
+++ b/resources/tests/env.sh
@@ -13,6 +13,7 @@ SCRIPT_DIR="$(CDPATH='' cd -- "$(dirname -- "${0:?}")" && pwd -P)"
 export HOSTNAME='hblock'
 export ETCDIR="${SCRIPT_DIR:?}/etc"
 export XDG_CONFIG_HOME="${ETCDIR:?}"
+export SOURCE_DATE_EPOCH='0'
 export HBLOCK_VERSION='0.0.0'
 export HBLOCK_REPOSITORY='https://example.com'