diff --git a/source/scripts/init/defaults/system_defaults_arm b/source/scripts/init/defaults/system_defaults_arm
index 71f43339..81c9c312 100755
--- a/source/scripts/init/defaults/system_defaults_arm
+++ b/source/scripts/init/defaults/system_defaults_arm
@@ -1282,6 +1282,9 @@ $xMemEnable=false
 $xMemArgs=
 $xMemTrigger=stop
 
+#Defaults for RDKDownloadManager
+$PackageExpiryTime=3600
+
 #RDM Module Default URL
 $CDLModuleUrl=
 #low_queue_reboot_threshold
diff --git a/source/scripts/init/defaults/system_defaults_bci b/source/scripts/init/defaults/system_defaults_bci
index 95ba745a..83517d13 100755
--- a/source/scripts/init/defaults/system_defaults_bci
+++ b/source/scripts/init/defaults/system_defaults_bci
@@ -1226,6 +1226,9 @@ $xMemEnable=false
 $xMemArgs=
 #xMemTrigger=stop
 
+#Defaults for RDKDownloadManager
+$PackageExpiryTime=3600
+
 #Enable DNS strict order
 $DNSStrictOrder=false
 
diff --git a/source/scripts/init/defaults/system_defaults_xd4 b/source/scripts/init/defaults/system_defaults_xd4
index 4a40609f..551bddc8 100755
--- a/source/scripts/init/defaults/system_defaults_xd4
+++ b/source/scripts/init/defaults/system_defaults_xd4
@@ -1260,6 +1260,9 @@ $xMemEnable=false
 $xMemArgs=
 $xMemTrigger=stop
 
+#Defaults for RDKDownloadManager
+$PackageExpiryTime=3600
+
 #RDM Module Default URL
 $CDLModuleUrl=
 #low_queue_reboot_threshold