diff --git a/images/macos/toolsets/toolset-10.15.json b/images/macos/toolsets/toolset-10.15.json
index da9f3040..197050b4 100644
--- a/images/macos/toolsets/toolset-10.15.json
+++ b/images/macos/toolsets/toolset-10.15.json
@@ -23,7 +23,7 @@
             "versions": [ "2019" ]
         },
         "mono-versions": [
-            "6.12.0.182", "6.10.0.106", "6.8.0.123", "6.6.0.166", "6.4.0.208"
+            "6.12.0.188", "6.10.0.106", "6.8.0.123", "6.6.0.166", "6.4.0.208"
         ],
         "ios-versions": [
             "14.14.2.5", "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"
diff --git a/images/macos/toolsets/toolset-11.json b/images/macos/toolsets/toolset-11.json
index 0b6e2f9f..022b2806 100644
--- a/images/macos/toolsets/toolset-11.json
+++ b/images/macos/toolsets/toolset-11.json
@@ -16,7 +16,7 @@
             "versions": [ "2019", "2022" ]
         },
         "mono-versions": [
-            "6.12.0.182"
+            "6.12.0.188"
         ],
         "ios-versions": [
             "15.8.0.3", "15.6.0.3", "15.4.0.0", "15.2.0.17", "15.0.0.6", "14.20.0.24", "14.16.0.5", "14.14.2.5", "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"
diff --git a/images/macos/toolsets/toolset-12.json b/images/macos/toolsets/toolset-12.json
index 85edcdcb..2d0440f3 100644
--- a/images/macos/toolsets/toolset-12.json
+++ b/images/macos/toolsets/toolset-12.json
@@ -18,7 +18,7 @@
             "versions": [ "2019", "2022" ]
         },
         "mono-versions": [
-            "6.12.0.182"
+            "6.12.0.188"
         ],
         "ios-versions": [
             "16.0.0.72", "15.12.0.2", "15.10.0.5", "15.8.0.3", "15.6.0.3", "15.4.0.0", "15.2.0.17", "15.0.0.6"