diff --git a/srcpkgs/linux6.6/files/arm64-dotconfig b/srcpkgs/linux6.6/files/arm64-dotconfig
index 35c3a6cb2f1..1b04bc8a57a 100644
--- a/srcpkgs/linux6.6/files/arm64-dotconfig
+++ b/srcpkgs/linux6.6/files/arm64-dotconfig
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/arm64 6.6.90 Kernel Configuration
+# Linux/arm64 6.6.91 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="aarch64-linux-musl-gcc (GCC) 14.2.1 20250405"
 CONFIG_CC_IS_GCC=y
diff --git a/srcpkgs/linux6.6/files/i386-dotconfig b/srcpkgs/linux6.6/files/i386-dotconfig
index 2ddd3e0261f..c7deb5cbd89 100644
--- a/srcpkgs/linux6.6/files/i386-dotconfig
+++ b/srcpkgs/linux6.6/files/i386-dotconfig
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/i386 6.6.90 Kernel Configuration
+# Linux/i386 6.6.91 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.2.1 20250405"
 CONFIG_CC_IS_GCC=y
@@ -7845,7 +7845,9 @@ CONFIG_USB_G_WEBCAM=m
 CONFIG_TYPEC=m
 # CONFIG_TYPEC_TCPM is not set
 CONFIG_TYPEC_UCSI=m
+# CONFIG_UCSI_CCG is not set
 CONFIG_UCSI_ACPI=m
+# CONFIG_UCSI_STM32G0 is not set
 CONFIG_TYPEC_TPS6598X=m
 # CONFIG_TYPEC_ANX7411 is not set
 CONFIG_TYPEC_RT1719=m
diff --git a/srcpkgs/linux6.6/files/x86_64-dotconfig b/srcpkgs/linux6.6/files/x86_64-dotconfig
index ce4cd680746..d0e8990f35a 100644
--- a/srcpkgs/linux6.6/files/x86_64-dotconfig
+++ b/srcpkgs/linux6.6/files/x86_64-dotconfig
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86_64 6.6.90 Kernel Configuration
+# Linux/x86_64 6.6.91 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.2.1 20250405"
 CONFIG_CC_IS_GCC=y
@@ -545,6 +545,7 @@ CONFIG_SLS=y
 # CONFIG_GDS_FORCE_MITIGATION is not set
 CONFIG_MITIGATION_RFDS=y
 CONFIG_MITIGATION_SPECTRE_BHI=y
+CONFIG_MITIGATION_ITS=y
 CONFIG_ARCH_HAS_ADD_PAGES=y
 
 #
@@ -8076,7 +8077,9 @@ CONFIG_USB_G_WEBCAM=m
 CONFIG_TYPEC=m
 # CONFIG_TYPEC_TCPM is not set
 CONFIG_TYPEC_UCSI=m
+# CONFIG_UCSI_CCG is not set
 CONFIG_UCSI_ACPI=m
+# CONFIG_UCSI_STM32G0 is not set
 CONFIG_TYPEC_TPS6598X=m
 # CONFIG_TYPEC_ANX7411 is not set
 CONFIG_TYPEC_RT1719=m
diff --git a/srcpkgs/linux6.6/template b/srcpkgs/linux6.6/template
index 3cc652fc467..4eb396c0992 100644
--- a/srcpkgs/linux6.6/template
+++ b/srcpkgs/linux6.6/template
@@ -1,6 +1,6 @@
 # Template file for 'linux6.6'
 pkgname=linux6.6
-version=6.6.90
+version=6.6.91
 revision=1
 short_desc="Linux kernel and modules (${version%.*} series)"
 maintainer="Duncaen <duncaen@voidlinux.org>"
@@ -14,7 +14,7 @@ if [ "${version##*.}" != 0 ]; then
 fi
 
 checksum="d926a06c63dd8ac7df3f86ee1ffc2ce2a3b81a2d168484e76b5b389aba8e56d0
- d76132ce478187cd14974b1a6b12bf64f57ae9204ec510e2f80a567963b910a6"
+ a304a814d58648b64c443874158692db8fe039cb8726b3f92913d42532fca083"
 python_version=3
 
 # XXX Restrict archs until a proper <arch>-dotconfig is available in FILESDIR.