diff --git a/.ci/JenkinsfileMergeAutomation b/.ci/JenkinsfileMergeAutomation
index 7917b94..717b5f9 100644
--- a/.ci/JenkinsfileMergeAutomation
+++ b/.ci/JenkinsfileMergeAutomation
@@ -14,13 +14,13 @@
  * the branch name of origin branch, it should match the current branch
  * and it acts as a fail-safe inside {@code forwardMerger} pipeline
  */
-String originBranch = 'release/5.1'
+String originBranch = 'release/5.2'
 
 /**
  * the branch name of target branch, it should be the branch with the next version
  * after the one in current branch.
  */
-String targetBranch = 'release/5.2'
+String targetBranch = 'release/5.3'
 
 /**
  * Forward merge any changes between {@code originBranch} and {@code targetBranch}
@@ -28,4 +28,4 @@ String targetBranch = 'release/5.2'
 forwardMerger(
     targetBranch: targetBranch,
     originBranch: originBranch,
-    slackChannel: '#c5-forward-merge-bot-notifications')
\ No newline at end of file
+    slackChannel: '#c5-forward-merge-bot-notifications')