diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for ip2location.io
 
+## 1.2.0  -- 2025-08-01
+
+* Added support for abbreviation, dst_start_date and dst_end_date fields.
+
 ## 1.1.0  -- 2025-04-28
 
 * Added support for Hosted Domain API.
diff --git a/Configuration.hs b/Configuration.hs
--- a/Configuration.hs
+++ b/Configuration.hs
@@ -28,4 +28,4 @@
 -}
 open :: String -> IO Config
 open apikey = do
-    return (Config apikey "sdk-haskell-iplio" "1.1.0")
+    return (Config apikey "sdk-haskell-iplio" "1.2.0")
diff --git a/IPGeolocation.hs b/IPGeolocation.hs
--- a/IPGeolocation.hs
+++ b/IPGeolocation.hs
@@ -87,6 +87,9 @@
     current_time :: String,
     gmt_offset :: Int,
     is_dst :: Bool,
+    abbreviation :: String,
+    dst_start_date :: String,
+    dst_end_date :: String,
     sunrise :: String,
     sunset :: String
 } deriving (Show, Generic)
diff --git a/ip2location-io.cabal b/ip2location-io.cabal
--- a/ip2location-io.cabal
+++ b/ip2location-io.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             1.1.0
+version:             1.2.0
 
 -- A short (one-line) description of the package.
 synopsis:            IP2Location.io Haskell package for IP geolocation and domain WHOIS.