diff --git a/.kres.yaml b/.kres.yaml
index ec405a8d..bffdf575 100644
--- a/.kres.yaml
+++ b/.kres.yaml
@@ -110,7 +110,7 @@ spec:
       - name: EXTENSIONS_IMAGE_REF
         defaultValue: $(REGISTRY_AND_USERNAME)/extensions:$(TAG)
       - name: PKGS
-        defaultValue: v1.15.0-alpha.0-30-gf380535
+        defaultValue: v1.15.0-alpha.0-34-g99ec357
       - name: PKGS_PREFIX
         defaultValue: ghcr.io/siderolabs
       - name: TOOLS
diff --git a/Makefile b/Makefile
index 3e0670d9..ed0bcf61 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 # THIS FILE WAS AUTOMATICALLY GENERATED BY KRES, PLEASE DO NOT EDIT.
 #
-# Generated on 2026-09-10T12:45:15Z by kres 3e1d3c0.
+# Generated on 2026-09-20T15:11:28Z by kres 3e1d3c0.
 
 # common variables
 
@@ -57,7 +57,7 @@ COMMON_ARGS += $(BUILD_ARGS)
 # extra variables
 
 EXTENSIONS_IMAGE_REF ?= $(REGISTRY_AND_USERNAME)/extensions:$(TAG)
-PKGS ?= v1.15.0-alpha.0-30-gf380535
+PKGS ?= v1.15.0-alpha.0-34-g99ec357
 PKGS_PREFIX ?= ghcr.io/siderolabs
 TOOLS ?= v1.15.0-alpha.0-9-g19bb4b7
 TOOLS_PREFIX ?= ghcr.io/siderolabs
diff --git a/Pkgfile b/Pkgfile
index 32a70a01..559ba3a6 100644
--- a/Pkgfile
+++ b/Pkgfile
@@ -5,7 +5,7 @@ format: v1alpha2
 vars:
   CONTAINERD_VERSION: v2.3.5 # update this when updating PKGS version tag in Makefile
   LINUX_FIRMWARE_VERSION: "20260810" # update this when updating PKGS version tag in Makefile
-  DRBD_DRIVER_VERSION: 9.3.3 # update this when updating PKGS version tag in Makefile
+  DRBD_DRIVER_VERSION: 9.3.4 # update this when updating PKGS version tag in Makefile
   PX_FUSE_DRIVER_VERSION: 8b52ef67d261369cbc93f132db299e5dcf64ad7c # update this when updating PKGS version tag in Makefile
   ZFS_DRIVER_VERSION: 2.4.4 # update this when updating PKGS version tag in Makefile
   ZFS_TOOLS_SHA256: 2a3c70d55a37cc71618a95a60e81ad66530201eb118d37741dc92efcf848c8b1
diff --git a/README.md b/README.md
index 8a20caf8..17b9d177 100644
--- a/README.md
+++ b/README.md
@@ -161,7 +161,7 @@ tiers based on support level:
 | ---- | ---- | ----- | ------- | ----------- |
 | [btrfs](storage/btrfs) | :yellow_square: extra | [ghcr.io/siderolabs/btrfs](https://github.com/siderolabs/extensions/pkgs/container/btrfs) | `VERSION` |  This system extension provides kernel module driver and userspace tools for BTRFS built against a specific Talos version. |
 | [cachefilesd](storage/cachefilesd) | :white_large_square: contrib | [ghcr.io/siderolabs/cachefilesd](https://github.com/siderolabs/extensions/pkgs/container/cachefilesd) | `0.10.10-VERSION` |  This system extension provides cachefilesd (FS-Cache caching backend daemon) and the cachefiles kernel module built against a specific Talos version. |
-| [drbd](storage/drbd) | :yellow_square: extra | [ghcr.io/siderolabs/drbd](https://github.com/siderolabs/extensions/pkgs/container/drbd) | `9.3.3-VERSION` |  This system extension provides kernel module driver for DRBD built against a specific Talos version. |
+| [drbd](storage/drbd) | :yellow_square: extra | [ghcr.io/siderolabs/drbd](https://github.com/siderolabs/extensions/pkgs/container/drbd) | `9.3.4-VERSION` |  This system extension provides kernel module driver for DRBD built against a specific Talos version. |
 | [fuse3](storage/fuse3) | :green_square: core | [ghcr.io/siderolabs/fuse3](https://github.com/siderolabs/extensions/pkgs/container/fuse3) | `3.18.3` |  This system extension provides fuse3 functionality. |
 | [iscsi-tools](storage/iscsi-tools) | :green_square: core | [ghcr.io/siderolabs/iscsi-tools](https://github.com/siderolabs/extensions/pkgs/container/iscsi-tools) | `v0.2.0` |  This system extension provides iscsi-tools. |
 | [mdadm](storage/mdadm) | :warning: deprecated | [ghcr.io/siderolabs/mdadm](https://github.com/siderolabs/extensions/pkgs/container/mdadm) | `v4.6` |  This system extension is no-op, for backward compatibility. |
diff --git a/hack/release.toml b/hack/release.toml
index 1783da20..831d40d2 100644
--- a/hack/release.toml
+++ b/hack/release.toml
@@ -24,6 +24,7 @@ cloud-provider-aws: v1.37.0
 cloudflared: 2026.8.3
 crun: 1.29.1
 ctr: 2.3.5
+DRBD: 9.3.4
 fuse: 3.18.3
 glib: 2.90.0
 gvisor: 20260831.0