diff --git a/CHANGES.txt b/CHANGES.txt
index bdf7f57ae7..69b0f7c24f 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -64,7 +64,7 @@
    (CASSANDRA-3483)
  * respect not only row cache capacity but caching mode when
    trying to read data (CASSANDRA-3812)
-
+ * Use -XX:+ExplicitGCInvokesConcurrent by default. (CASSANDRA-3675)
 
 1.0.8
  * Log active compactions in StatusLogger (CASSANDRA-3703)
diff --git a/conf/cassandra-env.sh b/conf/cassandra-env.sh
index f6416cf73d..1bd8c057df 100644
--- a/conf/cassandra-env.sh
+++ b/conf/cassandra-env.sh
@@ -161,6 +161,7 @@ JVM_OPTS="$JVM_OPTS -XX:SurvivorRatio=8"
 JVM_OPTS="$JVM_OPTS -XX:MaxTenuringThreshold=1"
 JVM_OPTS="$JVM_OPTS -XX:CMSInitiatingOccupancyFraction=75"
 JVM_OPTS="$JVM_OPTS -XX:+UseCMSInitiatingOccupancyOnly"
+JVM_OPTS="$JVM_OPTS -XX:+ExplicitGCInvokesConcurrent"
 
 # GC logging options -- uncomment to enable
 # JVM_OPTS="$JVM_OPTS -XX:+PrintGCDetails"