diff --git a/.SRCINFO b/.SRCINFO
index f880d90..833b4e7 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = linux-cachyos
 	pkgdesc = Linux EEVDF scheduler Kernel by CachyOS with other patches and improvements
-	pkgver = 6.3.8
+	pkgver = 6.3.9
 	pkgrel = 1
 	url = https://github.com/CachyOS/linux-cachyos
 	arch = x86_64
@@ -22,18 +22,18 @@ pkgbase = linux-cachyos
 	makedepends = patch
 	makedepends = python
 	options = !strip
-	source = https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.3.8.tar.xz
+	source = https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.3.9.tar.xz
 	source = config
 	source = auto-cpu-optimization.sh
 	source = https://raw.githubusercontent.com/cachyos/kernel-patches/master/6.3/all/0001-cachyos-base-all.patch
 	source = https://raw.githubusercontent.com/cachyos/kernel-patches/master/6.3/sched/0001-EEVDF.patch
 	source = https://raw.githubusercontent.com/cachyos/kernel-patches/master/6.3/sched/0001-bore-eevdf.patch
-	b2sums = 07b1156f9f5a2673ea53308cd1e67eed34b6354b61b1bf4d8fa020da1976824bdf971239c24d28745964798db9d786e65868391431cd26c713e92128f568d47a
+	b2sums = 8f2f75272d5d2a23c6694dffa2a20260310b5b958dbaf27c5bf74ce679cd929493116ff01e94444c3f891147869d09e9dee111cb52a04a8957ae5c8d94b4ee71
 	b2sums = ef911bd8cae1803e7c23f481e14870c02ede699659ae09ae7af26dcb5a9e6919f28e13e2f5775af008383a1771f64812f601f910679ee0388385f7442184bc54
 	b2sums = 11d2003b7d71258c4ca71d71c6b388f00fe9a2ddddc0270e304148396dadfd787a6cac1363934f37d0bfb098c7f5851a02ecb770e9663ffe57ff60746d532bd0
-	b2sums = 420457f82f603c48d783651fed45c93b538c1f516fe529d310c0df5e9ae22327376f479112b9be83fb57423c51956e659403f56ba0d04d5439e5af3ea63ec7fa
+	b2sums = 0f0b918d92b59841ff0d667c18200353f2e516a714bde369afc50fab199e3ae7c4a31b390fb2676abb5610db3d1c8a0c1ef2ae515f0e94c282b82f2585cbc6cc
 	b2sums = 7740148bce24e4e51ef260405def1c9afd1eabffeca1c1db8e5e57437c0e63b0504bddb6519df77fdc9cc702a1613f183032b76e88cae2a8012bc504026560bf
-	b2sums = aecdcba5763c67b6598b5964d68c79d2b1cb0c12946b8dfb020bd761ee41c2205f449328be44d4d0d0e133671ad7893b7ab06675b093138ff307c1c441110153
+	b2sums = 7fa9f7e9466faa72b56312947585bfff0f660f8de48f8d0de4ade94230f6d4183ccde70fe484e930af9fcef2ac93fbad945edf4a0dbcd3c06759ace29f861621
 
 pkgname = linux-cachyos
 	pkgdesc = The Linux EEVDF scheduler Kernel by CachyOS with other patches and improvements kernel and modules
diff --git a/PKGBUILD b/PKGBUILD
index 1b99c5e..b899a8b 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -61,6 +61,10 @@ _use_current=${_use_current-}
 ### Enable KBUILD_CFLAGS -O3
 _cc_harder=${_cc_harder-y}
 
+### Enable KBUILD_CFLAGS -Os
+## DO NOT SET, THIS IS FOR INTERNAL CI USE ONLY.
+_cc_size=${_cc_size-}
+
 ### Set this to your number of threads you have in your machine otherwise it will default to 128
 _nr_cpus=${_nr_cpus-}
 
@@ -183,7 +187,7 @@ else
     pkgbase=linux-$pkgsuffix
 fi
 _major=6.3
-_minor=8
+_minor=9
 #_minorc=$((_minor+1))
 #_rcver=rc8
 pkgver=${_major}.${_minor}
@@ -437,12 +441,19 @@ prepare() {
     echo "Selecting '$_preempt' preempt type..."
 
     ### Enable O3
-    if [ -n "$_cc_harder" ]; then
+    if [ -n "$_cc_harder" ] && [ -z "$_cc_size" ]; then
         echo "Enabling KBUILD_CFLAGS -O3..."
         scripts/config -d CC_OPTIMIZE_FOR_PERFORMANCE \
             -e CC_OPTIMIZE_FOR_PERFORMANCE_O3
     fi
 
+    ### Enable Os
+    if [ -n "$_cc_size" ] && [ -z "$_cc_harder" ]; then
+        echo "Enabling KBUILD_CFLAGS -Os..."
+        scripts/config -d CC_OPTIMIZE_FOR_PERFORMANCE \
+            -e CONFIG_CC_OPTIMIZE_FOR_SIZE
+    fi
+
     ### Enable bbr2
     if [ -n "$_tcp_bbr2" ]; then
         echo "Disabling TCP_CONG_CUBIC..."
@@ -825,9 +836,9 @@ for _p in "${pkgname[@]}"; do
     }"
 done
 
-b2sums=('07b1156f9f5a2673ea53308cd1e67eed34b6354b61b1bf4d8fa020da1976824bdf971239c24d28745964798db9d786e65868391431cd26c713e92128f568d47a'
+b2sums=('8f2f75272d5d2a23c6694dffa2a20260310b5b958dbaf27c5bf74ce679cd929493116ff01e94444c3f891147869d09e9dee111cb52a04a8957ae5c8d94b4ee71'
         'ef911bd8cae1803e7c23f481e14870c02ede699659ae09ae7af26dcb5a9e6919f28e13e2f5775af008383a1771f64812f601f910679ee0388385f7442184bc54'
         '11d2003b7d71258c4ca71d71c6b388f00fe9a2ddddc0270e304148396dadfd787a6cac1363934f37d0bfb098c7f5851a02ecb770e9663ffe57ff60746d532bd0'
-        '420457f82f603c48d783651fed45c93b538c1f516fe529d310c0df5e9ae22327376f479112b9be83fb57423c51956e659403f56ba0d04d5439e5af3ea63ec7fa'
+        '0f0b918d92b59841ff0d667c18200353f2e516a714bde369afc50fab199e3ae7c4a31b390fb2676abb5610db3d1c8a0c1ef2ae515f0e94c282b82f2585cbc6cc'
         '7740148bce24e4e51ef260405def1c9afd1eabffeca1c1db8e5e57437c0e63b0504bddb6519df77fdc9cc702a1613f183032b76e88cae2a8012bc504026560bf'
-        'aecdcba5763c67b6598b5964d68c79d2b1cb0c12946b8dfb020bd761ee41c2205f449328be44d4d0d0e133671ad7893b7ab06675b093138ff307c1c441110153')
+        '7fa9f7e9466faa72b56312947585bfff0f660f8de48f8d0de4ade94230f6d4183ccde70fe484e930af9fcef2ac93fbad945edf4a0dbcd3c06759ace29f861621')