diff --git a/kernel/kernel-rt/centos/build_srpm.data b/kernel/kernel-rt/centos/build_srpm.data
index b0daa29a3..c06f85d68 100644
--- a/kernel/kernel-rt/centos/build_srpm.data
+++ b/kernel/kernel-rt/centos/build_srpm.data
@@ -1,4 +1,4 @@
 COPY_LIST="files/*"
-TIS_PATCH_VER=4
+TIS_PATCH_VER=1
 BUILD_IS_BIG=11
 BUILD_IS_SLOW=12
diff --git a/kernel/kernel-rt/centos/meta_patches/Build-logic-and-sources-for-TiC.patch b/kernel/kernel-rt/centos/meta_patches/Build-logic-and-sources-for-TiC.patch
index d26118b62..9c350e1b0 100644
--- a/kernel/kernel-rt/centos/meta_patches/Build-logic-and-sources-for-TiC.patch
+++ b/kernel/kernel-rt/centos/meta_patches/Build-logic-and-sources-for-TiC.patch
@@ -9,7 +9,7 @@ Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
  1 file changed, 272 insertions(+), 7 deletions(-)
 
 diff --git a/SPECS/kernel-rt.spec b/SPECS/kernel-rt.spec
-index c05b910..dfbbe1f 100644
+index a922773..adffde2 100644
 --- a/SPECS/kernel-rt.spec
 +++ b/SPECS/kernel-rt.spec
 @@ -17,23 +17,33 @@ Summary: The Linux Realtime kernel
@@ -309,7 +309,7 @@ index c05b910..dfbbe1f 100644
      $CopyKernel $KernelImage $RPM_BUILD_ROOT/%{image_install_path}/$InstallName-$KernelVer
      chmod 755 $RPM_BUILD_ROOT/%{image_install_path}/$InstallName-$KernelVer
  
-@@ -913,6 +1035,12 @@ BuildKernel() {
+@@ -910,6 +1032,12 @@ BuildKernel() {
      cp signing_key.priv signing_key.priv.sign${Flavour:+.${Flavour}}
      cp signing_key.x509 signing_key.x509.sign${Flavour:+.${Flavour}}
  
@@ -322,7 +322,7 @@ index c05b910..dfbbe1f 100644
      # remove files that will be auto generated by depmod at rpm -i time
      for i in alias alias.bin builtin.bin ccwmap dep dep.bin ieee1394map inputmap isapnpmap ofmap pcimap seriomap symbols symbols.bin usbmap softdep devname
      do
-@@ -928,6 +1056,15 @@ BuildKernel() {
+@@ -925,6 +1053,15 @@ BuildKernel() {
  
      install -Dm644 %{SOURCE1000} $RPM_BUILD_ROOT%{_sysconfdir}/modprobe.d/dccp-blacklist.conf
  
@@ -338,7 +338,7 @@ index c05b910..dfbbe1f 100644
      # prune junk from kernel-devel
      find $RPM_BUILD_ROOT/usr/src/kernels -name ".*.cmd" -exec rm -f {} \;
  }
-@@ -975,6 +1112,31 @@ BuildKernel %make_target %kernel_image vanilla
+@@ -972,6 +1109,31 @@ BuildKernel %make_target %kernel_image vanilla
  BuildKernel %make_target %kernel_image
  %endif
  
@@ -370,7 +370,7 @@ index c05b910..dfbbe1f 100644
  %if %{builddoc}
  # Make the HTML and man pages.
  make -j1 htmldocs mandocs || %{doc_build_fail}
-@@ -1007,6 +1169,7 @@ popd
+@@ -1004,6 +1166,7 @@ popd
  # if it isn't.
  
  %ifnarch noarch
@@ -378,7 +378,7 @@ index c05b910..dfbbe1f 100644
  %define __modsign_install_post \
     if [ "%{with_rt}" -ne "0" ]; then \
        Arch=`head -1 configs/kernel-%{version}-%{_target_cpu}-rt.config | cut -b 3-` \
-@@ -1025,6 +1188,24 @@ popd
+@@ -1022,6 +1185,24 @@ popd
        %{modsign_cmd} $RPM_BUILD_ROOT/lib/modules/%{KVERREL}.${AAA} || exit 1 \
     done \
  %{nil}
@@ -403,7 +403,7 @@ index c05b910..dfbbe1f 100644
  %endif
  
  ###
-@@ -1114,6 +1295,39 @@ mkdir -p $RPM_BUILD_ROOT%{_datadir}/doc/perf
+@@ -1111,6 +1292,39 @@ mkdir -p $RPM_BUILD_ROOT%{_datadir}/doc/perf
  %endif # buildperf
  %endif
  
@@ -443,7 +443,7 @@ index c05b910..dfbbe1f 100644
  %if %{buildheaders}
  # Install kernel headers
  make ARCH=%{hdrarch} INSTALL_HDR_PATH=$RPM_BUILD_ROOT/usr headers_install
-@@ -1168,6 +1382,14 @@ rm -rf $RPM_BUILD_ROOT
+@@ -1165,6 +1379,14 @@ rm -rf $RPM_BUILD_ROOT
  ### scripts
  ###
  
@@ -458,7 +458,7 @@ index c05b910..dfbbe1f 100644
  #
  # This macro defines a %%post script for a kernel*-devel package.
  #	%%kernel_devel_post [<subpackage>]
-@@ -1331,6 +1553,43 @@ fi
+@@ -1328,6 +1550,43 @@ fi
  %endif
  %endif
  
@@ -502,7 +502,7 @@ index c05b910..dfbbe1f 100644
  # This is %{image_install_path} on an arch where that includes ELF files,
  # or empty otherwise.
  %global elf_image_install_path %{?kernel_image_elf:%{image_install_path}}
-@@ -1347,6 +1606,7 @@ fi
+@@ -1344,6 +1603,7 @@ fi
  /%{image_install_path}/%{?-k:%{-k*}}%{!?-k:vmlinuz}-%{KVERREL}%{?2:.%{2}}\
  /%{image_install_path}/.vmlinuz-%{KVERREL}%{?2:.%{2}}.hmac\
  /boot/System.map-%{KVERREL}%{?2:.%{2}}\
@@ -510,7 +510,7 @@ index c05b910..dfbbe1f 100644
  /boot/config-%{KVERREL}%{?2:.%{2}}\
  %exclude /lib/modules/%{KVERREL}%{?2:.%{2}}/kernel/arch/x86/kvm\
  %exclude /lib/modules/%{KVERREL}%{?2:.%{2}}/kernel/drivers/gpu/drm/i915/gvt\
-@@ -1427,6 +1687,11 @@ fi
+@@ -1422,6 +1682,11 @@ fi
  %kernel_variant_files %{buildvanilla} vanilla
  %endif
  
@@ -520,8 +520,8 @@ index c05b910..dfbbe1f 100644
 +%endif # do_sign
 +
  %changelog
- * Fri Apr 26 2019 Luis Claudio R. Goncalves <lgoncalv@redhat.com> [3.10.0-957.12.2.rt56.929.el7]
+ * Fri Jun 14 2019 Luis Claudio R. Goncalves <lgoncalv@redhat.com> [3.10.0-957.21.3.rt56.935.el7]
  - [rt] Update source tree to match RHEL 7.6.z tree [1689417 1642619]
 -- 
-2.7.4
+1.8.3.1
 
diff --git a/kernel/kernel-rt/centos/srpm_path b/kernel/kernel-rt/centos/srpm_path
index 9ebb1c95d..b4fa5dea5 100644
--- a/kernel/kernel-rt/centos/srpm_path
+++ b/kernel/kernel-rt/centos/srpm_path
@@ -1 +1 @@
-mirror:Source/kernel-rt-3.10.0-957.12.2.rt56.929.el7.src.rpm
+mirror:Source/kernel-rt-3.10.0-957.21.3.rt56.935.el7.src.rpm