diff --git a/examples/preserve-case-backend/go.mod b/examples/preserve-case-backend/go.mod
index dd1a2ec677..d383593957 100644
--- a/examples/preserve-case-backend/go.mod
+++ b/examples/preserve-case-backend/go.mod
@@ -2,7 +2,7 @@ module github.com/envoyproxy/gateway-preserve-case-backend
 
 go 1.24.2
 
-require github.com/valyala/fasthttp v1.60.0
+require github.com/valyala/fasthttp v1.61.0
 
 require (
 	github.com/andybalholm/brotli v1.1.1 // indirect
diff --git a/examples/preserve-case-backend/go.sum b/examples/preserve-case-backend/go.sum
index 149c4e4cd7..3281225005 100644
--- a/examples/preserve-case-backend/go.sum
+++ b/examples/preserve-case-backend/go.sum
@@ -4,7 +4,7 @@ github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zt
 github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
-github.com/valyala/fasthttp v1.60.0 h1:kBRYS0lOhVJ6V+bYN8PqAHELKHtXqwq9zNMLKx1MBsw=
-github.com/valyala/fasthttp v1.60.0/go.mod h1:iY4kDgV3Gc6EqhRZ8icqcmlG6bqhcDXfuHgTO4FXCvc=
+github.com/valyala/fasthttp v1.61.0 h1:VV08V0AfoRaFurP1EWKvQQdPTZHiUzaVoulX1aBDgzU=
+github.com/valyala/fasthttp v1.61.0/go.mod h1:wRIV/4cMwUPWnRcDno9hGnYZGh78QzODFfo1LTUhBog=
 github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
 github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=