diff --git a/doc/process/KernelTree.rst b/doc/process/KernelTree.rst
index 4ed0bdd..bdf383d 100644
--- a/doc/process/KernelTree.rst
+++ b/doc/process/KernelTree.rst
@@ -1,7 +1,7 @@
 op-build Linux Kernel
 =====================
 
-The skiroot/Petitboot kernel is currently based on the 5.1 series.
+The skiroot/Petitboot kernel is currently based on the 5.3 series.
 
 Submitting a patch
 ------------------