diff --git a/contracts/utils/CHANGELOG.json b/contracts/utils/CHANGELOG.json
index d6404d8241..ace3cd5bbb 100644
--- a/contracts/utils/CHANGELOG.json
+++ b/contracts/utils/CHANGELOG.json
@@ -106,12 +106,17 @@
                 "pr": 1657
             },
             {
+<<<<<<< HEAD
                 "note": "Add unit tests for `LibAddressArray`",
                 "pr": 1712
             },
             {
                 "note": "Fix `LibAddressArray.indexOf` returning incorrect index.",
                 "pr": 1712
+=======
+                "note": "Change ReentrancyGuard implementation to cheaper one",
+                "pr": 1699
+>>>>>>> Update PRs in changelogs.
             }
         ],
         "timestamp": 1553091633