diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/storage/Device.java b/service/src/main/java/org/whispersystems/textsecuregcm/storage/Device.java
index ed83fd965..4b6387c67 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/storage/Device.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/storage/Device.java
@@ -25,7 +25,7 @@ public class Device {
   public static final List<Byte> ALL_POSSIBLE_DEVICE_IDS = IntStream.range(Device.PRIMARY_ID, MAXIMUM_DEVICE_ID).boxed()
       .map(Integer::byteValue).collect(Collectors.toList());
 
-  private static final long ALLOWED_LINKED_IDLE_MILLIS = Duration.ofDays(30).toMillis();
+  private static final long ALLOWED_LINKED_IDLE_MILLIS = Duration.ofDays(45).toMillis();
   private static final long ALLOWED_PRIMARY_IDLE_MILLIS = Duration.ofDays(180).toMillis();
 
   @JsonDeserialize(using = DeviceIdDeserializer.class)
diff --git a/service/src/test/java/org/whispersystems/textsecuregcm/storage/DeviceTest.java b/service/src/test/java/org/whispersystems/textsecuregcm/storage/DeviceTest.java
index af32761ac..ca0aa849b 100644
--- a/service/src/test/java/org/whispersystems/textsecuregcm/storage/DeviceTest.java
+++ b/service/src/test/java/org/whispersystems/textsecuregcm/storage/DeviceTest.java
@@ -22,8 +22,8 @@ class DeviceTest {
       "true, P180D, false",
       "true, P181D, true",
       "false, P1D, false",
-      "false, P30D, false",
-      "false, P31D, true",
+      "false, P45D, false",
+      "false, P46D, true",
       "false, P180D, true",
   })
   public void testIsExpired(final boolean primary, final Duration timeSinceLastSeen, final boolean expectExpired) {