diff --git a/internal/integrationtest/testserver/go.mod b/internal/integrationtest/testserver/go.mod
index 8f38a62..a989f7d 100644
--- a/internal/integrationtest/testserver/go.mod
+++ b/internal/integrationtest/testserver/go.mod
@@ -2,7 +2,7 @@ module github.com/goceleris/loadgen/internal/integrationtest/testserver
 
 go 1.26.4
 
-require github.com/goceleris/celeris v1.5.7
+require github.com/goceleris/celeris v1.5.8
 
 require (
 	golang.org/x/net v0.56.0 // indirect
diff --git a/internal/integrationtest/testserver/go.sum b/internal/integrationtest/testserver/go.sum
index 3387e56..4eb1ced 100644
--- a/internal/integrationtest/testserver/go.sum
+++ b/internal/integrationtest/testserver/go.sum
@@ -1,5 +1,5 @@
-github.com/goceleris/celeris v1.5.7 h1:uWs30lSDrhdH+VoEVkQHcRdsJRv2M6BmgDxmSz1GsGA=
-github.com/goceleris/celeris v1.5.7/go.mod h1:usrqjcfMxiNA4lFoE/YbEzX10+UFhoJ4JQVkAS7noSc=
+github.com/goceleris/celeris v1.5.8 h1:r2foO5AsCKSXGUQZThSEctYnSkPp3zzTckaFSs8L3dU=
+github.com/goceleris/celeris v1.5.8/go.mod h1:usrqjcfMxiNA4lFoE/YbEzX10+UFhoJ4JQVkAS7noSc=
 golang.org/x/net v0.56.0 h1:Rw8j/hFzGvJUZwNBXnAtf5sVDVt+65SK2C7IxCxZt5o=
 golang.org/x/net v0.56.0/go.mod h1:D3Ku6r+V6JROoZK144D2XfMHFcMq/0zSfLelVTCFKec=
 golang.org/x/sys v0.46.0 h1:noSf2Fq6F8DBgS+LysIkx7rIExoNHJsxOAtPp4rthXw=