diff --git a/build-constraints.yaml b/build-constraints.yaml
index d7b23fb59..4a45e9b77 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -422,6 +422,7 @@ packages:
         - sandwich-slack
         - sandwich-webdriver
         - slack-progressbar < 0 # 0.1.0.1 https://github.com/codedownio/slack-progressbar/issues/1
+        - system-linux-proc # @erikd
         - webdriver
 
     "Paulo Tanaka <paulot@fb.com> @paulot":