diff --git a/Project.toml b/Project.toml
index bbd56d6..d96c7d4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MarketData"
 uuid = "945b72a4-3b13-509d-9b46-1525bb5c06de"
 authors = ["JuliaQuant <https://github.com/JuliaQuant>"]
-version = "0.15.0"
+version = "0.15.1"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
@@ -17,7 +17,7 @@ CSV = "0.7, 0.8, 0.9, 0.10"
 HTTP = "0.8, 0.9, 1.0"
 JSON3 = "1"
 Reexport = "0.2, 1.0"
-TimeSeries = "0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24"
+TimeSeries = "0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25"
 julia = "1.6"
 
 [extras]
diff --git a/src/downloads.jl b/src/downloads.jl
index f43f765..ce8218f 100644
--- a/src/downloads.jl
+++ b/src/downloads.jl
@@ -146,7 +146,7 @@ function fred(data::AbstractString="CPIAUCNS")
 end
 
 """
-    ons(timeseries::String="L522", dataset::String="MM23")::TimeArray
+    ons(timeseries::String="L522")::TimeArray
 
 The ons() method is a wrapper to download financial and economic time series data from the Office for National Statistics (ONS).
 
@@ -161,9 +161,9 @@ is the Consumer Price Index including housing costs (CPIH) which is the ONS’s
 # Examples
 
 ```julia
-UK_RPI = ("CHAW","MM23")
-UK_CPI = ("D7BT","MM23")
-UK_CPIH = ("L522","MM23")
+UK_RPI = ("CHAW")
+UK_CPI = ("D7BT")
+UK_CPIH = ("L522")
 ```
 
 # References
@@ -175,11 +175,15 @@ https://www.ons.gov.uk/timeseriestool
 - fred() which accesses the St. Louis Federal Reserve financial and economic data sets.
 - yahoo() which is a wrapper from downloading financial time series for stocks from Yahoo Finance.
 """
-function ons(timeseries::AbstractString = "L522", dataset::AbstractString = "MM23")
-    url = "https://api.ons.gov.uk/dataset/$dataset/timeseries/$timeseries/data"
+function ons(timeseries::AbstractString = "L522")
+    url = "https://api.beta.ons.gov.uk/v1/search?content_type=timeseries&cdids=$timeseries"
     res = HTTP.get(url)
     @assert res.status == 200
     json = JSON3.read(HTTP.payload(res))
+    uri = json["items"][1]["uri"]
+    res = HTTP.get("https://api.beta.ons.gov.uk/v1/data?uri=$uri")
+    @assert res.status == 200
+    json = JSON3.read(HTTP.payload(res))
     ta = nothing
     if "months" in keys(json)
         data = json["months"]
@@ -203,3 +207,6 @@ function ons(timeseries::AbstractString = "L522", dataset::AbstractString = "MM2
     end
     TimeArray(ta, meta = json["description"])
 end
+
+# For compatibility with earlier versions
+ons(timeseries::AbstractString, dataset::AbstractString) = ons(timeseries)
\ No newline at end of file