diff --git a/go.mod b/go.mod
index 5068a9d..48a9dd5 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.24.3
 require (
 	github.com/bsv-blockchain/go-bt/v2 v2.5.1
 	github.com/bsv-blockchain/go-safe-conversion v1.1.0
-	github.com/bsv-blockchain/go-tx-map v1.2.0
+	github.com/bsv-blockchain/go-tx-map v1.2.1
 	github.com/stretchr/testify v1.11.1
 	golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b
 )
diff --git a/go.sum b/go.sum
index 822cf33..802e3ac 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/bsv-blockchain/go-safe-conversion v1.1.0 h1:EjyF+fDsmSK0AwbN2NnIzel/z
 github.com/bsv-blockchain/go-safe-conversion v1.1.0/go.mod h1:KwO5HkH9S11kppAm7SedJhgaJnZbUMYRZalSq9fxLHQ=
 github.com/bsv-blockchain/go-sdk v1.2.11 h1:SK8kDuDZNP3ubvx0AL0bR/I8tXWljJICyUsiF4y9ZkQ=
 github.com/bsv-blockchain/go-sdk v1.2.11/go.mod h1:S+8iokWX2la9G4mzwHIeCvYkADRzcdfk1AprN0z5MDI=
-github.com/bsv-blockchain/go-tx-map v1.2.0 h1:HF8XTLrl5YGpEeWmsoO58w/XSNKJy49DYgrt/0EQHn4=
-github.com/bsv-blockchain/go-tx-map v1.2.0/go.mod h1:sjsSHrl5HNT+0p1AeS/6CE7Ds4V4Kjn9PRBcKB3ozMc=
+github.com/bsv-blockchain/go-tx-map v1.2.1 h1:uzKryYn4uMCR3ko6N71TyUrKfAnRvwG5Mdm1ufCStyo=
+github.com/bsv-blockchain/go-tx-map v1.2.1/go.mod h1:4NsZBCM6bFNwYEc7J4C6jiNdm5aY/rtRVXqpG7PgbX4=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dolthub/maphash v0.1.0 h1:bsQ7JsF4FkkWyrP3oCnFJgrCUAFbFf3kOl4L/QxPDyQ=