diff --git a/kernel/Dockerfile b/kernel/Dockerfile
index 60ae8be3b..70bdbabee 100644
--- a/kernel/Dockerfile
+++ b/kernel/Dockerfile
@@ -177,7 +177,7 @@ RUN if [ "${KERNEL_SERIES}" != "4.4.x" ]; then \
      fi
 
 # Download Intel ucode and create a CPIO archive for it
-ENV UCODE_URL=https://downloadmirror.intel.com/27337/eng/microcode-20171117.tgz
+ENV UCODE_URL=https://downloadmirror.intel.com/27591/eng/microcode-20180312.tgz
 RUN set -e && \
     if [ $(uname -m) == x86_64 ]; then \
         cd /ucode && \
diff --git a/kernel/ucode/intel-ucode-md5sums b/kernel/ucode/intel-ucode-md5sums
index e5a376f92..7fbc16054 100644
--- a/kernel/ucode/intel-ucode-md5sums
+++ b/kernel/ucode/intel-ucode-md5sums
@@ -1 +1 @@
-b294245d1f7f6c20f01edba53185f258  microcode.tar.gz
+be315cd99a7ca392a2f917ceacbe14f2  microcode.tar.gz