diff --git a/.drone.env b/.drone.env
index 35e4f1c5a32..2169d6083ae 100644
--- a/.drone.env
+++ b/.drone.env
@@ -1,3 +1,3 @@
 # The test runner source for API tests
-CORE_COMMITID=a52a6b4f56adf1c0b1f66063bcd7aeea2233e6c2
-CORE_BRANCH=master
+CORE_COMMITID=20db2964cb63ce3863866d16dfa757ed2d50ba0c
+CORE_BRANCH=webdav-changes-fix