diff --git a/css/css-gaps/flex/META.yml b/css/css-gaps/flex/META.yml
index f40284931..b60ff4717 100644
--- a/css/css-gaps/flex/META.yml
+++ b/css/css-gaps/flex/META.yml
@@ -32,3 +32,8 @@ links:
   - test: flex-gap-decorations-multi-value-writing-mode.html
   - test: flex-gap-decorations-writing-mode.html
   url: https://bugzilla.mozilla.org/show_bug.cgi?id=2028165
+- product: firefox
+  results:
+  - test: flex-gap-decorations-017.html
+  - test: flex-gap-decorations-018.html
+  url: https://bugzilla.mozilla.org/show_bug.cgi?id=2040952
diff --git a/css/css-gaps/grid/META.yml b/css/css-gaps/grid/META.yml
index 0bf63c112..f5d1b48b1 100644
--- a/css/css-gaps/grid/META.yml
+++ b/css/css-gaps/grid/META.yml
@@ -44,3 +44,8 @@ links:
   - test: grid-gap-decorations-081.html
   - test: grid-gap-decorations-082.html
   url: https://bugzilla.mozilla.org/show_bug.cgi?id=2034640
+- product: firefox
+  results:
+  - test: grid-gap-decorations-020.html
+  - test: grid-gap-decorations-021.html
+  url: https://bugzilla.mozilla.org/show_bug.cgi?id=2040952