diff --git a/dd-java-agent/instrumentation/elasticsearch-rest-5/elasticsearch-rest-5.gradle b/dd-java-agent/instrumentation/elasticsearch-rest-5/elasticsearch-rest-5.gradle
index 99bc4e5525..de38c9c2bc 100644
--- a/dd-java-agent/instrumentation/elasticsearch-rest-5/elasticsearch-rest-5.gradle
+++ b/dd-java-agent/instrumentation/elasticsearch-rest-5/elasticsearch-rest-5.gradle
@@ -50,9 +50,14 @@ dependencies {
   testCompile group: 'org.elasticsearch', name: 'elasticsearch', version: '5.0.0'
   testCompile group: 'org.elasticsearch.plugin', name: 'transport-netty3-client', version: '5.0.0'
 
-  latestDepTestCompile group: 'org.elasticsearch.client', name: 'elasticsearch-rest-client', version: '+'
-  latestDepTestCompile group: 'org.elasticsearch', name: 'elasticsearch', version: '6.+'
-  latestDepTestCompile group: 'org.elasticsearch.plugin', name: 'transport-netty4-client', version: '+'
+  /*
+   We know that 6.3.+ Doesn't work because they've reworked relevant code.
+   See https://github.com/elastic/elasticsearch/commit/0be443c5bbd4c7eb5776740d8fb7117224124cce#diff-d5bb3520f960a753d8f8a3a2686dfd6b
+   Lock on 6.2.+ to fix tests.
+   */
+  latestDepTestCompile group: 'org.elasticsearch.client', name: 'elasticsearch-rest-client', version: '6.2.+'
+  latestDepTestCompile group: 'org.elasticsearch', name: 'elasticsearch', version: '6.2.+'
+  latestDepTestCompile group: 'org.elasticsearch.plugin', name: 'transport-netty4-client', version: '6.2.+'
 }
 
 configurations.latestDepTestCompile {