diff --git a/dev-support/hbase-personality.sh b/dev-support/hbase-personality.sh
index e24930d51fa..80d25866a36 100755
--- a/dev-support/hbase-personality.sh
+++ b/dev-support/hbase-personality.sh
@@ -64,6 +64,11 @@ function personality_globals
 
   # Override the maven options
   MAVEN_OPTS="${MAVEN_OPTS:-"-Xmx3100M"}"
+
+  # Yetus 0.7.0 enforces limits.
+  # Default proclimit is 1000. Up it.
+  # We seem to use close to 3k.
+  PROCLIMIT=5000
 }
 
 ## @description  Parse extra arguments required by personalities, if any.
diff --git a/dev-support/hbase_nightly_yetus.sh b/dev-support/hbase_nightly_yetus.sh
index 4e673540739..3e6fc7c97d7 100755
--- a/dev-support/hbase_nightly_yetus.sh
+++ b/dev-support/hbase_nightly_yetus.sh
@@ -67,6 +67,7 @@ YETUS_ARGS=("--whitespace-tabs-ignore-list=${WHITESPACE_IGNORE_LIST}" "${YETUS_A
 YETUS_ARGS=("--sentinel" "${YETUS_ARGS[@]}")
 YETUS_ARGS=("--branch=${BRANCH_NAME}" "${YETUS_ARGS[@]}")
 YETUS_ARGS=("--tests-filter=${TESTS_FILTER}" "${YETUS_ARGS[@]}")
+YETUS_ARGS=("--proclimit=${PROCLIMIT}" "${YETUS_ARGS[@]}")
 
 # Currently, flaky list is calculated only for master branch.
 UNDERSCORED_BRANCH_NAME=$(echo ${BRANCH_NAME} | tr '.-' '_')