diff --git a/build/lib/stylelint/vscode-known-variables.json b/build/lib/stylelint/vscode-known-variables.json
index f6d81111246c5..0411ea42d7566 100644
--- a/build/lib/stylelint/vscode-known-variables.json
+++ b/build/lib/stylelint/vscode-known-variables.json
@@ -693,6 +693,7 @@
 		"--vscode-terminalOverviewRuler-findMatchForeground",
 		"--vscode-terminalStickyScroll-background",
 		"--vscode-terminalStickyScrollHover-background",
+		"--vscode-testing-coverage-lineHeight",
 		"--vscode-testing-coverCountBadgeBackground",
 		"--vscode-testing-coverCountBadgeForeground",
 		"--vscode-testing-coveredBackground",