diff --git a/.travis.yml b/.travis.yml
index 62d76e3..745a331 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,15 +3,17 @@ sudo: required
 lein: lein
 dist: xenial
 before_script:
+  # Give MongoDB server some time to boot
+  - sleep 15
   - mongod --version
   - ./bin/ci/before_script.sh
 script: lein do clean, javac, test
 jdk:
   - oraclejdk8
-  - oraclejdk9
+  - oraclejdk11
 services:
   - mongodb
 branches:
   only:
     - master
-    - 3.0.x-stable
+    - 3.5.x-stable
diff --git a/bin/ci/before_script.sh b/bin/ci/before_script.sh
index 77f1a97..fae6dd8 100755
--- a/bin/ci/before_script.sh
+++ b/bin/ci/before_script.sh
@@ -1,8 +1,5 @@
 #!/bin/sh
 
-# MongoDB seems to need some time to boot first. MK.
-sleep 15
-
 # MongoDB Java driver won't run authentication twice on the same DB instance,
 # so we need to use multiple DBs.
 mongo --eval 'db.createUser({"user": "clojurewerkz/monger", "pwd": "monger", roles: ["dbAdmin"], mechanisms: ["SCRAM-SHA-1"], passwordDigestor: "client"})' monger-test