diff --git a/requirements/main.txt b/requirements/main.txt
index 0179b0921abb..613f89551c2e 100644
--- a/requirements/main.txt
+++ b/requirements/main.txt
@@ -131,9 +131,9 @@ docutils==0.14 \
 elasticsearch-dsl==5.4.0 \
     --hash=sha256:197246ddd556b4b7d2738dfa9e4831068c9b5cb21706f6aca035136d42849109 \
     --hash=sha256:cbef6467085d7debc870bc450d996c7ba5b8822eb86a6033bba09134ffb01ba8
-elasticsearch==5.4.0 \
-    --hash=sha256:8f02d626cff98befd298ffb1d19d8e519643d86d3aa27f6d7388566ec4ba48ee \
-    --hash=sha256:e754c688e20fe73160fb6f7f5b63f2a71c78788dc9e6908950681d3a39b56e85
+elasticsearch==6.0.0 \
+    --hash=sha256:f8b9910ac0e336422c3c488ff53f21ba4c39f46e76b9cf1f81257d02052667c9 \
+    --hash=sha256:9fd6fe01d5f992666674f6089ff2ec4917ec64ed7dcd7e109cdf95f406303809
 first==2.0.1 \
     --hash=sha256:3bb3de3582cb27071cfb514f00ed784dc444b7f96dc21e140de65fe00585c95e \
     --hash=sha256:41d5b64e70507d0c3ca742d68010a76060eea8a3d863e9b5130ab11a4a91aa0e