diff --git a/.SRCINFO b/.SRCINFO
index 610a0e6..5116f46 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,7 +1,7 @@
 pkgbase = nvidia-340xx
 	pkgdesc = NVIDIA drivers for linux, 340xx legacy branch
 	pkgver = 340.108
-	pkgrel = 25
+	pkgrel = 26
 	url = https://www.nvidia.com/
 	arch = x86_64
 	license = custom
@@ -18,6 +18,7 @@ pkgbase = nvidia-340xx
 	source = 0004-kernel-5.10.patch
 	source = 0005-kernel-5.11.patch
 	source = 0006-kernel-5.14.patch
+	source = 0007-kernel-5.15.patch
 	b2sums = 6538bbec53b10f8d20977f9b462052625742e9709ef06e24cf2e55de5d0c55f1620a4bb21396cfd89ebc54c32f921ea17e3e47eaa95abcbc24ecbd144fb89028
 	b2sums = 49d99f612e8eee3ab5e34083c25348bfd14ed5fc8a7984dafc0dad7c0ae0df2c0b2a63a1bb993da440eb0a60293d7c753ca3889bd2f51991b8ddc51bce2fe4a8
 	b2sums = 7150233df867a55f57aa5e798b9c7618329d98459fecc35c4acfad2e9772236cb229703c4fa072381c509279d0588173d65f46297231f4d3bfc65a1ef52e65b1
@@ -26,6 +27,7 @@ pkgbase = nvidia-340xx
 	b2sums = 665bf0e1fa22119592e7c75ff40f265e919955f228a3e3e3ebd76e9dffa5226bece5eb032922eb2c009572b31b28e80cd89656f5d0a4ad592277edd98967e68f
 	b2sums = 344cd3a9888a9a61941906c198d3a480ce230119c96c72c72a74b711d23face2a7b1e53b9b4639465809b84762cdc53f38210e740318866705241bc4216e4f35
 	b2sums = 31a4047ab84d13e32fd7fdbf9f69c696d3fab6666c541d2acf0a189c1d17c876970985167fd389a4adc0f786021172bdec1aa6d690736e3cf9fcd8ceabe5fd32
+	b2sums = a26426488f6e105f546e091ce4d2e9587cc41a0fb05b0dffeb1c523d8d06782bda3004352655c9c019224091f7bc7903939e53ede73f64553f14be8e8a47793a
 
 pkgname = nvidia-340xx
 	pkgdesc = NVIDIA drivers for linux, 340xx legacy branch
diff --git a/0007-kernel-5.15.patch b/0007-kernel-5.15.patch
new file mode 100644
index 0000000..ed84777
--- /dev/null
+++ b/0007-kernel-5.15.patch
@@ -0,0 +1,14 @@
+diff -Naur NVIDIA-Linux-x86_64-340.108-old/kernel/nv-drm.c NVIDIA-Linux-x86_64-340.108-new/kernel/nv-drm.c
+--- NVIDIA-Linux-x86_64-340.108-old/kernel/nv-drm.c	2021-11-06 20:08:18.779739237 +0200
++++ NVIDIA-Linux-x86_64-340.108-new/kernel/nv-drm.c	2021-11-06 20:42:13.443288819 +0200
+@@ -529,7 +529,9 @@ RM_STATUS NV_API_CALL nv_alloc_os_descri
+ #if defined(NV_DRM_GEM_OBJECT_PUT_UNLOCKED_PRESENT)
+     drm_gem_object_put_unlocked(&nv_obj->base);
+ #else
+-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0)
++    drm_gem_object_put(&nv_obj->base);
++#elif LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
+     drm_gem_object_put_locked(&nv_obj->base);
+ #else
+     drm_gem_object_unreference_unlocked(&nv_obj->base);
\ No newline at end of file
diff --git a/PKGBUILD b/PKGBUILD
index 99adf87..24d265e 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -6,7 +6,7 @@
 pkgbase=nvidia-340xx
 pkgname=(nvidia-340xx nvidia-340xx-dkms); [ -n "$NVIDIA_340XX_DKMS_ONLY" ] && pkgname=(nvidia-340xx-dkms)
 pkgver=340.108
-pkgrel=25
+pkgrel=26
 pkgdesc="NVIDIA drivers for linux, 340xx legacy branch"
 arch=('x86_64')
 url="https://www.nvidia.com/"
@@ -23,6 +23,7 @@ source=("https://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/NVIDIA-Li
   0004-kernel-5.10.patch
   0005-kernel-5.11.patch
   0006-kernel-5.14.patch
+  0007-kernel-5.15.patch
 )
 b2sums=('6538bbec53b10f8d20977f9b462052625742e9709ef06e24cf2e55de5d0c55f1620a4bb21396cfd89ebc54c32f921ea17e3e47eaa95abcbc24ecbd144fb89028'
         '49d99f612e8eee3ab5e34083c25348bfd14ed5fc8a7984dafc0dad7c0ae0df2c0b2a63a1bb993da440eb0a60293d7c753ca3889bd2f51991b8ddc51bce2fe4a8'
@@ -31,7 +32,8 @@ b2sums=('6538bbec53b10f8d20977f9b462052625742e9709ef06e24cf2e55de5d0c55f1620a4bb
         '947cb1f149b2db9c3c4f973f285d389790f73fc8c8a6865fc5b78d6a782f49513aa565de5c82a81c07515f1164e0e222d26c8212a14cf016e387bcc523e3fcb1'
         '665bf0e1fa22119592e7c75ff40f265e919955f228a3e3e3ebd76e9dffa5226bece5eb032922eb2c009572b31b28e80cd89656f5d0a4ad592277edd98967e68f'
         '344cd3a9888a9a61941906c198d3a480ce230119c96c72c72a74b711d23face2a7b1e53b9b4639465809b84762cdc53f38210e740318866705241bc4216e4f35'
-        '31a4047ab84d13e32fd7fdbf9f69c696d3fab6666c541d2acf0a189c1d17c876970985167fd389a4adc0f786021172bdec1aa6d690736e3cf9fcd8ceabe5fd32')
+        '31a4047ab84d13e32fd7fdbf9f69c696d3fab6666c541d2acf0a189c1d17c876970985167fd389a4adc0f786021172bdec1aa6d690736e3cf9fcd8ceabe5fd32'
+        'a26426488f6e105f546e091ce4d2e9587cc41a0fb05b0dffeb1c523d8d06782bda3004352655c9c019224091f7bc7903939e53ede73f64553f14be8e8a47793a')
 _pkg="NVIDIA-Linux-x86_64-${pkgver}-no-compat32"
 
 # default is 'linux' substitute custom name here