diff --git a/DESCRIPTION b/DESCRIPTION
index 009f0a2..052678d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -45,5 +45,5 @@ Config/Needs/website: tidyverse/tidytemplate
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.2.1
-SystemRequirements: C++11, libpng
+SystemRequirements: libpng
 Config/testthat/edition: 3
diff --git a/src/Makevars b/src/Makevars
index 34d0220..3380b1b 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -1,3 +1,3 @@
+# Keep C++11 for now due to a bug in some Linux: https://github.com/r-lib/vdiffr/issues/137
 CXX_STD = CXX11
-
 PKG_LIBS = -lpng -lz