diff --git a/images/macos/toolsets/toolset-10.15.json b/images/macos/toolsets/toolset-10.15.json
index 6f4c2c9b..bc7520cf 100644
--- a/images/macos/toolsets/toolset-10.15.json
+++ b/images/macos/toolsets/toolset-10.15.json
@@ -1,6 +1,6 @@
 {
     "xcode": {
-        "default": "12.3",
+        "default": "12.4",
         "versions": [
             { "link": "12.4", "version": "12.4.0"},
             { "link": "12.3", "version": "12.3.0"},
@@ -20,7 +20,7 @@
     "xamarin": {
         "vsmac": "latest",
         "mono-versions": [
-            "6.12.0.113", "6.10.0.106", "6.8.0.123", "6.6.0.166", "6.4.0.208"
+            "6.12.0.122", "6.10.0.106", "6.8.0.123", "6.6.0.166", "6.4.0.208"
         ],
         "ios-versions": [
             "14.10.0.4", "14.8.0.3", "14.6.0.15", "14.4.1.3", "14.2.0.12", "14.0.0.0", "13.20.2.2", "13.18.2.1", "13.16.0.13", "13.14.1.39", "13.10.0.21", "13.8.3.0", "13.6.0.12", "13.4.0.2", "13.2.0.47"
@@ -31,7 +31,7 @@
         "android-versions": [
             "11.1.0.26", "11.0.2.0", "10.3.1.4", "10.2.0.100", "10.1.3.7", "10.0.6.2"
         ],
-        "bundle-default": "6_12_5",
+        "bundle-default": "6_12_6",
         "bundles": [
             {
                 "symlink": "6_12_6",
diff --git a/images/macos/toolsets/toolset-11.0.json b/images/macos/toolsets/toolset-11.0.json
index fd94cc88..d718fd0e 100644
--- a/images/macos/toolsets/toolset-11.0.json
+++ b/images/macos/toolsets/toolset-11.0.json
@@ -1,6 +1,6 @@
 {
     "xcode": {
-        "default": "12.3",
+        "default": "12.4",
         "versions": [
             { "link": "12.5", "version": "12.5.0"},
             { "link": "12.4", "version": "12.4.0"},
@@ -12,7 +12,7 @@
     "xamarin": {
         "vsmac": "latest",
         "mono-versions": [
-            "6.12.0.113"
+            "6.12.0.122"
         ],
         "ios-versions": [
             "14.10.0.4", "14.8.0.3", "14.6.0.15", "14.4.1.3", "14.2.0.12", "14.0.0.0", "13.20.2.2"
@@ -23,7 +23,7 @@
         "android-versions": [
             "11.1.0.26", "11.0.2.0"
         ],
-        "bundle-default": "6_12_5",
+        "bundle-default": "6_12_6",
         "bundles": [
             {
                 "symlink": "6_12_6",