diff --git a/lib/theme.json b/lib/theme.json
index 9e751dc939118..2a44acedb1f46 100644
--- a/lib/theme.json
+++ b/lib/theme.json
@@ -227,6 +227,12 @@
 					"customRadius": true
 				}
 			},
+			"core/group": {
+				"spacing": {
+					"customMargin": true,
+					"customPadding": true
+				}
+			},
 			"core/pullquote": {
 				"border": {
 					"customColor": true,
diff --git a/packages/block-library/src/group/block.json b/packages/block-library/src/group/block.json
index b12fb400437c6..994d7b29eb71b 100644
--- a/packages/block-library/src/group/block.json
+++ b/packages/block-library/src/group/block.json
@@ -24,7 +24,8 @@
 			"link": true
 		},
 		"spacing": {
-			"padding": true
+			"padding": true,
+			"margin": true
 		},
 		"__experimentalBorder": {
 			"color": true,