diff --git a/jmx-metrics/src/integrationTest/java/io/opentelemetry/contrib/jmxmetrics/target_systems/JvmTargetSystemIntegrationTest.java b/jmx-metrics/src/integrationTest/java/io/opentelemetry/contrib/jmxmetrics/target_systems/JvmTargetSystemIntegrationTest.java
index 682e23957..b913e4c67 100644
--- a/jmx-metrics/src/integrationTest/java/io/opentelemetry/contrib/jmxmetrics/target_systems/JvmTargetSystemIntegrationTest.java
+++ b/jmx-metrics/src/integrationTest/java/io/opentelemetry/contrib/jmxmetrics/target_systems/JvmTargetSystemIntegrationTest.java
@@ -55,6 +55,7 @@ void endToEnd() {
         metric -> assertGauge(metric, "jvm.memory.nonheap.init", "current non-heap usage", "By"),
         metric -> assertGauge(metric, "jvm.memory.nonheap.max", "current non-heap usage", "By"),
         metric -> assertGauge(metric, "jvm.memory.nonheap.used", "current non-heap usage", "By"),
+        metric -> assertGauge(metric, "jvm.file_descriptor.count", "open file descriptors", "1"),
         metric ->
             assertTypedGauge(
                 metric, "jvm.memory.pool.committed", "current memory pool usage", "By", gcLabels),
diff --git a/jmx-metrics/src/main/resources/target-systems/jvm.groovy b/jmx-metrics/src/main/resources/target-systems/jvm.groovy
index 73e33b0d5..6d01a413a 100644
--- a/jmx-metrics/src/main/resources/target-systems/jvm.groovy
+++ b/jmx-metrics/src/main/resources/target-systems/jvm.groovy
@@ -33,6 +33,11 @@ otel.instrument(memory, "jvm.memory.heap", "current heap usage",
 otel.instrument(memory, "jvm.memory.nonheap", "current non-heap usage",
         "By", "NonHeapMemoryUsage", otel.&longValueCallback)
 
+def os = otel.mbean("java.lang:type=OperatingSystem")
+otel.instrument(os, "jvm.file_descriptor.count", "open file descriptors",
+        "1", "OpenFileDescriptorCount", otel.&longValueCallback)
+
+
 def memoryPool = otel.mbeans("java.lang:type=MemoryPool,*")
 otel.instrument(memoryPool, "jvm.memory.pool", "current memory pool usage",
         "By", ["name" : { mbean -> mbean.name().getKeyProperty("name") }],
diff --git a/jmx-scraper/src/main/resources/jvm.yaml b/jmx-scraper/src/main/resources/jvm.yaml
index 733e679fd..4a3572ffc 100644
--- a/jmx-scraper/src/main/resources/jvm.yaml
+++ b/jmx-scraper/src/main/resources/jvm.yaml
@@ -83,6 +83,13 @@ rules:
         metric: jvm.memory.pool.used
         desc: current memory pool usage
 
+  - bean: java.lang:type=OperatingSystem
+    mapping:
+      OpenFileDescriptorCount:
+        metric: jvm.file_descriptor.count
+        unit: 1
+        desc: open file descriptors
+
   - bean: java.lang:type=Threading
     mapping:
       ThreadCount: