diff --git a/Cargo.toml b/Cargo.toml
index 980b817..9d20d6d 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-streamer-sdk"
-version = "1.5.11"
+version = "1.5.12"
 edition = "2021"
 authors = ["William <byteblock6@gmail.com>", "sgxiang <sgxiang@gmail.com>", "wei <1415121722@qq.com>"]
 repository = "https://github.com/0xfnzero/solana-streamer"
@@ -21,7 +21,7 @@ sdk-perf-stats = ["sol-parser-sdk/perf-stats"]
 sdk-ultra-perf = ["sol-parser-sdk/ultra-perf"]
 
 [dependencies]
-sol-parser-sdk = { version = "0.5.11", default-features = false }
+sol-parser-sdk = { version = "0.5.12", default-features = false }
 solana-sdk = "3.0.0"
 solana-client = "3.1.12"
 solana-transaction-status = "3.1.12"
diff --git a/src/streaming/event_parser/core/merger_event.rs b/src/streaming/event_parser/core/merger_event.rs
index 356218e..f5bf3c1 100644
--- a/src/streaming/event_parser/core/merger_event.rs
+++ b/src/streaming/event_parser/core/merger_event.rs
@@ -1,10 +1,22 @@
 #![allow(clippy::single_match)]
 
 use crate::streaming::event_parser::DexEvent;
+use sol_parser_sdk::core::events::normalize_pumpfun_quote_mint as normalize_sdk_pumpfun_quote_mint;
 use solana_sdk::{pubkey, pubkey::Pubkey};
 
 const PUMPFUN_SOLSCAN_SOL_QUOTE_MINT: Pubkey =
     pubkey!("So11111111111111111111111111111111111111111");
+const PUMPFUN_WSOL_QUOTE_MINT: Pubkey = pubkey!("So11111111111111111111111111111111111111112");
+
+#[inline]
+fn normalize_pumpfun_quote_mint(quote_mint: Pubkey) -> Pubkey {
+    let quote_mint = normalize_sdk_pumpfun_quote_mint(quote_mint);
+    if quote_mint == PUMPFUN_WSOL_QUOTE_MINT {
+        PUMPFUN_SOLSCAN_SOL_QUOTE_MINT
+    } else {
+        quote_mint
+    }
+}
 
 #[inline]
 fn fill_pubkey(to: &mut Pubkey, from: Pubkey) {
@@ -13,15 +25,6 @@ fn fill_pubkey(to: &mut Pubkey, from: Pubkey) {
     }
 }
 
-#[inline]
-fn normalize_pumpfun_quote_mint(quote_mint: Pubkey) -> Pubkey {
-    if quote_mint == Pubkey::default() {
-        PUMPFUN_SOLSCAN_SOL_QUOTE_MINT
-    } else {
-        quote_mint
-    }
-}
-
 #[inline]
 fn fill_pumpfun_quote_mint(to: &mut Pubkey, from: Pubkey) {
     let from = normalize_pumpfun_quote_mint(from);
@@ -927,4 +930,25 @@ mod tests {
             _ => panic!("expected PumpFunTradeEvent"),
         }
     }
+
+    #[test]
+    fn pumpfun_merge_treats_wsol_quote_as_sol_sentinel() {
+        let mut instruction_event = DexEvent::PumpFunTradeEvent(PumpFunTradeEvent {
+            quote_mint: PUMPFUN_SOLSCAN_SOL_QUOTE_MINT,
+            ..Default::default()
+        });
+        let cpi_log_event = DexEvent::PumpFunTradeEvent(PumpFunTradeEvent {
+            quote_mint: PUMPFUN_WSOL_QUOTE_MINT,
+            ..Default::default()
+        });
+
+        merge(&mut instruction_event, cpi_log_event);
+
+        match instruction_event {
+            DexEvent::PumpFunTradeEvent(t) => {
+                assert_eq!(t.quote_mint, PUMPFUN_SOLSCAN_SOL_QUOTE_MINT)
+            }
+            _ => panic!("expected PumpFunTradeEvent"),
+        }
+    }
 }
diff --git a/src/streaming/parser_sdk_bridge/pump_pumpswap.rs b/src/streaming/parser_sdk_bridge/pump_pumpswap.rs
index b2c32f4..73d7a48 100644
--- a/src/streaming/parser_sdk_bridge/pump_pumpswap.rs
+++ b/src/streaming/parser_sdk_bridge/pump_pumpswap.rs
@@ -20,6 +20,7 @@ use crate::streaming::event_parser::protocols::pumpswap::events::{
 };
 use crate::streaming::event_parser::DexEvent;
 use prost_types::Timestamp;
+use sol_parser_sdk::core::events::normalize_pumpfun_quote_mint as normalize_sdk_pumpfun_quote_mint;
 use solana_sdk::{pubkey, pubkey::Pubkey};
 
 use super::adapt::adapt_pm;
@@ -27,10 +28,12 @@ use super::program_ids::{pump_program, pumpswap_program};
 
 const PUMPFUN_SOLSCAN_SOL_QUOTE_MINT: Pubkey =
     pubkey!("So11111111111111111111111111111111111111111");
+const PUMPFUN_WSOL_QUOTE_MINT: Pubkey = pubkey!("So11111111111111111111111111111111111111112");
 
 #[inline]
 fn normalize_pumpfun_quote_mint(quote_mint: Pubkey) -> Pubkey {
-    if quote_mint == Pubkey::default() {
+    let quote_mint = normalize_sdk_pumpfun_quote_mint(quote_mint);
+    if quote_mint == PUMPFUN_WSOL_QUOTE_MINT {
         PUMPFUN_SOLSCAN_SOL_QUOTE_MINT
     } else {
         quote_mint
@@ -858,4 +861,25 @@ mod tests {
             _ => panic!("expected PumpFunTradeEvent"),
         }
     }
+
+    #[test]
+    fn pumpfun_wsol_quote_mint_uses_solscan_sol_sentinel() {
+        let ev = pumpfun_trade_from_parser_with_event_type(
+            sol_parser_sdk::core::events::PumpFunTradeEvent {
+                is_buy: true,
+                quote_mint: PUMPFUN_WSOL_QUOTE_MINT,
+                ..Default::default()
+            },
+            None,
+            0,
+            EventType::PumpFunBuy,
+        );
+
+        match ev {
+            DexEvent::PumpFunTradeEvent(t) => {
+                assert_eq!(t.quote_mint.to_string(), "So11111111111111111111111111111111111111111");
+            }
+            _ => panic!("expected PumpFunTradeEvent"),
+        }
+    }
 }