diff --git a/drivers/SmartThings/sonos/src/sonos_driver.lua b/drivers/SmartThings/sonos/src/sonos_driver.lua
index 1f63ef21d3..56ccb2335f 100644
--- a/drivers/SmartThings/sonos/src/sonos_driver.lua
+++ b/drivers/SmartThings/sonos/src/sonos_driver.lua
@@ -1,4 +1,6 @@
-local api_version = require "version".api
+local version = require "version"
+local api_version = version.api
+local rpc_version = version.rpc
 local capabilities = require "st.capabilities"
 local cosock = require "cosock"
 local json = require "st.json"
@@ -651,6 +653,59 @@ local function do_refresh(driver, device, cmd)
   sonos_conn:refresh_subscriptions()
 end
 
+--- In RPC version 100, the events for augmented driver store were changed
+--- to no longer match the parsing done in API version 18 and below.
+---
+--- API version 19 will handle both before and after RPC 100 changes so this only needs
+--- to be applied for RPC version >= 100 and API version <= 18.
+if rpc_version >= 100 and api_version <= 18 then
+  log.info_with({ hub_logs = true }, "Overriding environment info handler for RPC >= 100 and API <= 18")
+  function SonosDriver:environment_info_handler(channel)
+    log.info_with({ hub_logs = true }, "Starting environment info handler for RPC >= 100 and API <= 18")
+    local msg_type, msg_val = channel:receive()
+    -- This driver only cares about augmentDriverStore messages currently.
+    -- Previously, this was augmentDatastore msg_type.
+    if msg_type == "augmentDriverStore" then
+      if type(msg_val.payload) ~= "table" then
+        log.warn(
+          string.format(
+            "Unexpected augmentDriverStore payload type: %s",
+            type(msg_val.payload)
+          )
+        )
+        return
+      end
+      -- The field evt_kind was renamed to kind and is a string of the enum rather than
+      -- the integer value of the enum.
+      if msg_val.kind == "Upsert" then
+        -- This type was changed to table of u8s instead of a string
+        local data = ""
+        for _, v in pairs(msg_val.payload.data_value) do
+          data = data .. string.char(v)
+        end
+        self.hub_augmented_driver_data[msg_val.payload.data_key] = data
+        -- notify with the updated record
+        if self.notify_augmented_data_changed ~= nil then
+          self:notify_augmented_data_changed("upsert", msg_val.payload.data_key, data)
+        end
+      elseif msg_val.kind == "Delete" then
+        self.hub_augmented_driver_data[msg_val.payload.data_key] = nil
+        -- notify with just the key that got deleted
+        if self.notify_augmented_data_changed ~= nil then
+          self:notify_augmented_data_changed("delete", msg_val.payload.data_key)
+        end
+      else
+        log.warn(
+          string.format(
+            "Unexpected augmentDriverStore kind: %s",
+            msg_val.kind
+          )
+        )
+      end
+    end
+  end
+end
+
 function SonosDriver.new_driver_template()
   local oauth_token_bus = cosock.bus()
   local oauth_info_bus = cosock.bus()
@@ -667,6 +722,8 @@ function SonosDriver.new_driver_template()
     bonded_devices = utils.new_mac_address_keyed_table(),
     dni_to_device_id = utils.new_mac_address_keyed_table(),
     lifecycle_handlers = SonosDriverLifecycleHandlers,
+    -- Only overriden in the case of RPC version 100+ with API version <= 18
+    environment_info_handler = SonosDriver.environment_info_handler,
     capability_handlers = {
       [capabilities.refresh.ID] = {
         [capabilities.refresh.commands.refresh.NAME] = do_refresh,