diff --git a/.changeset/wise-rings-hammer.md b/.changeset/wise-rings-hammer.md
new file mode 100644
index 0000000000..1515818116
--- /dev/null
+++ b/.changeset/wise-rings-hammer.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-jenkins-backend': patch
+---
+
+Fix the case where lastBuild is null.