diff --git a/lustre/kernel_patches/targets/2.6-rhel4.target.in b/lustre/kernel_patches/targets/2.6-rhel4.target.in
index 013381436f280a6c20a5a0b76bba9b21536c3d87..e744d92776a4cdee5af4e366790c1b7365511f21 100644
--- a/lustre/kernel_patches/targets/2.6-rhel4.target.in
+++ b/lustre/kernel_patches/targets/2.6-rhel4.target.in
@@ -1,5 +1,5 @@
 lnxmaj="2.6.9"
-lnxrel="42.0.10.EL"
+lnxrel="55.EL"
 
 KERNEL=linux-${lnxmaj}-${lnxrel}.tar.bz2
 SERIES=2.6-rhel4.series
diff --git a/lustre/kernel_patches/which_patch b/lustre/kernel_patches/which_patch
index f83bb4cb91255b4a83047450f5342abb4970197a..8e21376d94523d9fef03d1ff8999360516e463c8 100644
--- a/lustre/kernel_patches/which_patch
+++ b/lustre/kernel_patches/which_patch
@@ -4,7 +4,7 @@ SUPPORTED KERNELS:
 rhel-2.4.21        RHEL3: 2.4.21-47.0.1.EL
 2.6-suse           SLES9 before SP1         already in SLES9 SP1 kernel
 2.6-suse-newer     SLES9: 2.6.5-7.282       extra patches for SLES9 after SP1
-2.6-rhel4          RHEL4: 2.6.9-42.0.10.EL
+2.6-rhel4          RHEL4: 2.6.9-55.EL
 2.6.12-vanilla     kernel.org: 2.6.12.6
 2.6-sles10         SLES10: 2.6.16.21-0.8