diff --git a/CONTRIBUTING.adoc b/CONTRIBUTING.adoc
index e0706cea23f..b992d267bbd 100644
--- a/CONTRIBUTING.adoc
+++ b/CONTRIBUTING.adoc
@@ -79,6 +79,9 @@ See https://github.com/spring-projects/spring-security/tree/main#building-from-s
 
 The wiki pages https://github.com/spring-projects/spring-framework/wiki/Code-Style[Code Style] and https://github.com/spring-projects/spring-framework/wiki/IntelliJ-IDEA-Editor-Settings[IntelliJ IDEA Editor Settings] define the source file coding standards we use along with some IDEA editor settings we customize.
 
+Additionally, since Streams are https://github.com/spring-projects/spring-security/issues/7154[much slower] than `for` loops, please use them judiciously.
+The team may ask you to change to a `for` loop if the given code is along a hot path.
+
 To format the code as well as check the style, run `./gradlew format && ./gradlew check`.
 
 [[submit-a-pull-request]]