diff --git a/processor/deltatocumulativeprocessor/go.mod b/processor/deltatocumulativeprocessor/go.mod
index e89e7da2ce10f..31936fe5cc79b 100644
--- a/processor/deltatocumulativeprocessor/go.mod
+++ b/processor/deltatocumulativeprocessor/go.mod
@@ -6,6 +6,7 @@ require (
 	github.com/google/go-cmp v0.7.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/exp/metrics v0.141.0
 	github.com/puzpuzpuz/xsync/v3 v3.5.1
+	github.com/puzpuzpuz/xsync/v4 v4.2.0
 	github.com/stretchr/testify v1.11.1
 	go.opentelemetry.io/collector/component v1.47.0
 	go.opentelemetry.io/collector/component/componenttest v0.141.0
diff --git a/processor/deltatocumulativeprocessor/go.sum b/processor/deltatocumulativeprocessor/go.sum
index 88d40cc875e10..88d8b11940be9 100644
--- a/processor/deltatocumulativeprocessor/go.sum
+++ b/processor/deltatocumulativeprocessor/go.sum
@@ -45,6 +45,7 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/puzpuzpuz/xsync/v3 v3.5.1 h1:GJYJZwO6IdxN/IKbneznS6yPkVC+c3zyY/j19c++5Fg=
 github.com/puzpuzpuz/xsync/v3 v3.5.1/go.mod h1:VjzYrABPabuM4KyBh1Ftq6u8nhwY5tBPKP9jpmh0nnA=
+github.com/puzpuzpuz/xsync/v4 v4.2.0/go.mod h1:VJDmTCJMBt8igNxnkQd86r+8KUeN1quSfNKu5bLYFQo=
 github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
 github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=