diff --git a/kernel/Dockerfile b/kernel/Dockerfile
index 2b028c98c..72a0dd7c2 100644
--- a/kernel/Dockerfile
+++ b/kernel/Dockerfile
@@ -185,7 +185,7 @@ RUN if [ "${KERNEL_SERIES}" != "4.4.x" ] && [ "${KERNEL_SERIES}" != "4.9.x" ]; t
      fi
 
 # Download Intel ucode and create a CPIO archive for it
-ENV UCODE_URL=https://downloadmirror.intel.com/27776/eng/microcode-20180425.tgz
+ENV UCODE_URL=https://downloadmirror.intel.com/28039/eng/microcode-20180807.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 a88b9033e..4ce47580c 100644
--- a/kernel/ucode/intel-ucode-md5sums
+++ b/kernel/ucode/intel-ucode-md5sums
@@ -1 +1 @@
-99c80f9229554953a868127cda44e7e3  microcode.tar.gz
+49f534f1079d3c5bc178a150c1c105aa  microcode.tar.gz