diff --git a/profiles/base/accounts/group/fwupdate-i2c b/profiles/base/accounts/group/fwupdate-i2c
new file mode 100644
index 0000000..fce3a98
--- /dev/null
+++ b/profiles/base/accounts/group/fwupdate-i2c
@@ -0,0 +1,3 @@
+group:fwupdate-i2c
+gid:20135
+users:fwupdate-i2c
diff --git a/profiles/base/accounts/group/i2c b/profiles/base/accounts/group/i2c
index 1851a0b..10f2c7f 100644
--- a/profiles/base/accounts/group/i2c
+++ b/profiles/base/accounts/group/i2c
@@ -1,5 +1,6 @@
 group:i2c
 gid:404
-# Give the power manager access to I2C devices so it can adjust external
-# displays' brightness via DDC.
-users:power
+# fwupdate-i2c: For firmware updater utilities that use the i2c-dev interface.
+# power: Give the power manager access to I2C devices so it can adjust external
+#   displays' brightness via DDC.
+users:fwupdate-i2c,power
diff --git a/profiles/base/accounts/user/fwupdate-i2c b/profiles/base/accounts/user/fwupdate-i2c
new file mode 100644
index 0000000..11e4a78
--- /dev/null
+++ b/profiles/base/accounts/user/fwupdate-i2c
@@ -0,0 +1,6 @@
+user:fwupdate-i2c
+uid:20135
+gid:20135
+gecos:user for firmware update utilities that use i2c-dev
+home:/dev/null
+shell:/bin/false