diff --git a/pom.xml b/pom.xml
index e322f831e1..8b985437d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
     <jenkins.baseline>2.516</jenkins.baseline>
     <jenkins.version>${jenkins.baseline}.3</jenkins.version>
-    <jgit.version>7.7.1.202607240634-r</jgit.version>
+    <jgit.version>7.8.0.202609011348-r</jgit.version>
     <spotbugs.effort>Max</spotbugs.effort>
     <spotbugs.threshold>Low</spotbugs.threshold>
     <spotless.check.skip>false</spotless.check.skip>
diff --git a/src/main/java/org/jenkinsci/plugins/gitclient/JGitAPIImpl.java b/src/main/java/org/jenkinsci/plugins/gitclient/JGitAPIImpl.java
index 94e63ed330..15ba2cdb72 100644
--- a/src/main/java/org/jenkinsci/plugins/gitclient/JGitAPIImpl.java
+++ b/src/main/java/org/jenkinsci/plugins/gitclient/JGitAPIImpl.java
@@ -2714,9 +2714,10 @@ public List<Branch> getBranchesContaining(String revspec, boolean allBranches)
             }
             RevCommit target = walk.parseCommit(id);
 
-            // we can track up to 23 flags at a time in JGit, so that's how many branches we will traverse in every
-            // iteration.  Changed from 24 to 23 in JGit 7.5.0 with the additional of the global UNSHALLOW
-            final int MAX_FLAGS = 23;
+            // we can track up to 19 flags at a time in JGit, so that's how many branches we will traverse in every
+            // iteration.  Changed from 24 to 23 in JGit 7.5.0 with the addition of the global UNSHALLOW.
+            // Changed from 23 to 19 in JGit 7.8.0.
+            final int MAX_FLAGS = 19;
             List<RevFlag> flags = new ArrayList<>(MAX_FLAGS);
             for (int i = 0; i < MAX_FLAGS; i++) {
                 flags.add(walk.newFlag("branch" + i));