diff --git a/exe/matrix_from_metadata b/exe/matrix_from_metadata
index 4a08b4da..384de4d1 100755
--- a/exe/matrix_from_metadata
+++ b/exe/matrix_from_metadata
@@ -35,9 +35,8 @@ DOCKER_PLATFORMS = [
 # This table uses the latest version in each collection for accurate
 # comparison when evaluating puppet requirements from the metadata
 COLLECTION_TABLE = {
-  '5.5.22' => 'puppet5',
-  '6.19.1' => 'puppet6-nightly',
-  '7.0.0' => 'puppet7-nightly',
+  '6.21.0' => 'puppet6-nightly',
+  '7.4.0' => 'puppet7-nightly',
 }.freeze
 
 matrix = {