CHANGELOG.md in opentelemetry-instrumentation-all-0.39.1 vs CHANGELOG.md in opentelemetry-instrumentation-all-0.40.0

@@ -1,6 +1,10 @@
 # Release History: opentelemetry-instrumentation-all
 
+### v0.40.0 / 2023-08-07
+
+* ADDED: Add Gruf instrumentation
+
 ### v0.39.1 / 2023-06-05
 
 * FIXED: Use latest bug fix version for all dependencies
 
 ### v0.39.0 / 2023-06-02