diff --git a/go.mod b/go.mod
index f5014f2..7a087ce 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.25.0
 require (
 	github.com/Mzack9999/go-http-digest-auth-client v0.6.1-0.20220414142836-eb8883508809
 	github.com/julienschmidt/httprouter v1.3.0
-	github.com/projectdiscovery/fastdialer v0.5.20
+	github.com/projectdiscovery/fastdialer v0.5.21
 	github.com/projectdiscovery/utils v0.11.5
 	github.com/stretchr/testify v1.12.1
 	golang.org/x/net v0.55.0
diff --git a/go.sum b/go.sum
index 9c3b760..841bfc7 100644
--- a/go.sum
+++ b/go.sum
@@ -82,8 +82,8 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/projectdiscovery/blackrock v0.0.2 h1:mxXdu0uM8P2L2Qi210COlU8QiICPFW/Rxk5QUhlPO2k=
 github.com/projectdiscovery/blackrock v0.0.2/go.mod h1:ANUtjDfaVrqB453bzToU+YB4cUbvBRpLvEwoWIwlTss=
-github.com/projectdiscovery/fastdialer v0.5.20 h1:MlXoVXQERJY4ILqMNYfuoTKVR4Ix4XonJLkFaoHzgM0=
-github.com/projectdiscovery/fastdialer v0.5.20/go.mod h1:zdtIbBt5ELNygMEPDSyQ9Nr9KpP9FuAvJwzNIrZZoJA=
+github.com/projectdiscovery/fastdialer v0.5.21 h1:k5PHG+hmd4lzle0apQbL1P63t3i8dbr4Zqhse7ff21g=
+github.com/projectdiscovery/fastdialer v0.5.21/go.mod h1:/3ES4xDph1lXwTq477Kqe7WFUB5HXqtYWIPIhxMow6s=
 github.com/projectdiscovery/hmap v0.0.102 h1:ybPuf7UQvuOLiHLOUbVMvd+PSlItQU5iQpP1Erl8kaU=
 github.com/projectdiscovery/hmap v0.0.102/go.mod h1:IZ92wXFmxYpdn0euZ7VFmypzOBNDwq8c3yRyIIol6XE=
 github.com/projectdiscovery/networkpolicy v0.1.50 h1:z/ZMuNAtPH6Q7BlMZ4DLA1ytm+7TYPAdBCNLjNqaV0U=