diff --git a/build.sh b/build.sh
index d34f60a..47ea91d 100755
--- a/build.sh
+++ b/build.sh
@@ -6,14 +6,16 @@ source ~/.ct-ng-$(cat ./.ct-ng-version)/activate
 mkdir -p output/downloads
 export CT_PREFIX=${PWD}/output
 
+TAG=2022.05.01
+
 function _build() {
     CONFIG=$1
     DEFCONFIG="${CONFIG}_defconfig" ct-ng defconfig
     ct-ng -j$(nproc) build
-    
+
     tar -c \
         --sort=name \
-        --mtime="2021-12-01" \
+        --mtime="${TAG}" \
         --owner=0 \
         --group=0 \
         --numeric-owner \
@@ -24,16 +26,17 @@ function _build() {
 }
 
 function _release() {
-    hub release create -m v2021.12.01 \
+    hub release create -m "v${TAG}" \
            -a output/aarch64-rpi3-linux-gnu.tar.gz \
            -a output/aarch64-rpi3-linux-gnu.tar.gz.sha256 \
            -a output/arm-cortex_a8-linux-gnueabihf.tar.gz \
            -a output/arm-cortex_a8-linux-gnueabihf.tar.gz.sha256 \
            -a output/armv6-rpi-linux-gnueabihf.tar.gz \
            -a output/armv6-rpi-linux-gnueabihf.tar.gz.sha256 \
-           v2021.12.01
+           "v${TAG}"
 }
 
 _build aarch64-rpi3-linux-gnu
 _build arm-cortex_a8-linux-gnueabihf
 _build armv6-rpi-linux-gnueabihf
+_build x86_64-unknown-linux-gnu
diff --git a/x86_64-unknown-linux-gnu_defconfig b/x86_64-unknown-linux-gnu_defconfig
new file mode 100644
index 0000000..9dba348
--- /dev/null
+++ b/x86_64-unknown-linux-gnu_defconfig
@@ -0,0 +1,10 @@
+CT_CONFIG_VERSION="4"
+CT_LOCAL_TARBALLS_DIR="${CT_PREFIX}/downloads"
+CT_ARCH_X86=y
+CT_ARCH_64=y
+CT_STATIC_TOOLCHAIN=y
+CT_KERNEL_LINUX=y
+CT_GLIBC_KERNEL_VERSION_NONE=y
+CT_CC_GCC_LNK_HASH_STYLE_BOTH=y
+CT_CC_LANG_CXX=y
+CT_DEBUG_GDB=y