diff --git a/PKGBUILD b/PKGBUILD
index dcb7851..cbf21b2 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
 
 pkgbase=linux
-pkgver=5.5.arch1
+pkgver=5.5.1.arch1
 pkgrel=1
 pkgdesc='Linux'
 _srctag=v${pkgver%.*}-${pkgver##*.}
@@ -25,7 +25,7 @@ validpgpkeys=(
   '8218F88849AAC522E94CF470A5E9288C4FA415FA'  # Jan Alexander Steffens (heftig)
 )
 sha256sums=('SKIP'
-            'e967ac8bd663509cc0ca6451a95a9965eb59832e316eec77484960dcedec8c1c')
+            '63141b88e5ffb583617d51364ebc1378fd3a73b8352e13450e982851d40fbaf2')
 
 export KBUILD_BUILD_HOST=archlinux
 export KBUILD_BUILD_USER=$pkgbase
diff --git a/config b/config
index c07295d..4baa354 100644
--- a/config
+++ b/config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86 5.5.0-arch1 Kernel Configuration
+# Linux/x86 5.5.1-arch1 Kernel Configuration
 #
 
 #
@@ -8693,7 +8693,7 @@ CONFIG_AMD_IOMMU_V2=y
 CONFIG_DMAR_TABLE=y
 CONFIG_INTEL_IOMMU=y
 CONFIG_INTEL_IOMMU_SVM=y
-# CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
+CONFIG_INTEL_IOMMU_DEFAULT_ON=y
 CONFIG_INTEL_IOMMU_FLOPPY_WA=y
 CONFIG_IRQ_REMAP=y
 CONFIG_HYPERV_IOMMU=y