diff --git a/.rultor.yml b/.rultor.yml
index c665b68d..4507bf4b 100644
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -44,4 +44,5 @@ release:
     mvn versions:set "-DnewVersion=${tag}" --batch-mode
     git commit -am "${tag}"
     mvn clean deploy -Pqulice -Psonatype -Pjcabi --batch-mode --errors --settings ../settings.xml
+    export MAVEN_OPTS="--add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang.reflect=ALL-UNNAMED"
     mvn clean site-deploy -Psite --errors --settings ../settings.xml --batch-mode