diff --git a/README.md b/README.md
index ee3ce2b..e0bf267 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ raygun4cfml
 
 Raygun.io API client for CFML.
 
-Current Version: 1.2.1 (Jun 16 2021)
+Current Version: 1.3.0 (July 21 2021)
 
 Dependencies: 
 
diff --git a/box.json b/box.json
index c27fde3..d1c13c5 100644
--- a/box.json
+++ b/box.json
@@ -1,7 +1,7 @@
 {
     "name":"raygun4cfml",
-    "version":"1.2.1",
-    "location":"MindscapeHQ/raygun4cfml#1.2.1",
+    "version":"1.3.0",
+    "location":"MindscapeHQ/raygun4cfml#1.3.0",
     "author":"Kai Koenig <kai@ventego-creative.co.nz>",
     "homepage":"https://github.com/MindscapeHQ/raygun4cfml/",
     "documentation":"https://github.com/MindscapeHQ/raygun4cfml/blob/master/README.md",
diff --git a/changelog.md b/changelog.md
index 1e71bba..f0f7749 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,10 @@
 History
 =======
 
+1.3.0 (Jul 21 2021)
+
+- Raygun4CFML is now tracking heap memory in the `availableVirtualMemory` and `availableFreeMemory` fields and not physical memory anymore. Fixed accessibility issues of internal classes post-Java 8 and the library should now be working fine across all JDKs.
+
 1.2.1 (Jun 16 2021)
 
 - Minor changes to stacktrace handling
@@ -8,7 +12,7 @@ History
 
 1.2.0 (Jun 8 2021)
 
-- Support for version (#34)
+- Support for version (#33)
 - Fixed stack traces to work better with Lucee and ACF 2021
 
 1.1.0 (Jan 2 2016)
diff --git a/src/nz/co/ventego-creative/raygun4cfml/RaygunEnvironmentMessage.cfc b/src/nz/co/ventego-creative/raygun4cfml/RaygunEnvironmentMessage.cfc
index 8f293f3..69d7f53 100644
--- a/src/nz/co/ventego-creative/raygun4cfml/RaygunEnvironmentMessage.cfc
+++ b/src/nz/co/ventego-creative/raygun4cfml/RaygunEnvironmentMessage.cfc
@@ -31,13 +31,13 @@ limitations under the License.
 			var runtime = createObject("java", "java.lang.System");
 			var props = runtime.getProperties();
 			var mf = createObject("java", "java.lang.management.ManagementFactory");
-			var osbean = mf.getOperatingSystemMXBean();
+			var heapMem = mf.getMemoryMXBean().getHeapMemoryUsage();
 
+			returnContent["availableVirtualMemory"] = heapMem.getCommitted()-heapMem.getUsed();
+			returnContent["totalVirtualMemory"] = heapMem.getCommitted();
 			returnContent["architecture"] = props["os.arch"];
-			returnContent["availablePhysicalMemory"] = osbean.getFreePhysicalMemorySize();
 			returnContent["osVersion"] = props["os.version"];
 			returnContent["packageVersion"] = props["java.vm.vendor"] & "|" & props["java.runtime.version"] & "|" & props["java.vm.name"];
-			returnContent["totalPhysicalMemory"] = osbean.getTotalPhysicalMemorySize();
 			returnContent["platform"] = props["os.name"];
 
 			return returnContent;