--- a/toolkit/components/places/nsPlacesExpiration.js
+++ b/toolkit/components/places/nsPlacesExpiration.js
@@ -62,17 +62,17 @@ const PREF_INTERVAL_SECONDS_NOTSET = 3 *
 // This percentage of memory size is used to protect against calculating a too
 // large database size on systems with small memory.
 const DATABASE_TO_MEMORY_PERC = 4;
 // This percentage of disk size is used to protect against calculating a too
 // large database size on disks with tiny quota or available space.
 const DATABASE_TO_DISK_PERC = 2;
 // Maximum size of the optimal database.  High-end hardware has plenty of
 // memory and disk space, but performances don't grow linearly.
-const DATABASE_MAX_SIZE = 73400320; // 70MiB
+const DATABASE_MAX_SIZE = 78643200; // 75 MiB
 // If the physical memory size is bogus, fallback to this.
 const MEMSIZE_FALLBACK_BYTES = 268435456; // 256 MiB
 // If the disk available space is bogus, fallback to this.
 const DISKSIZE_FALLBACK_BYTES = 268435456; // 256 MiB
 
 // Max number of entries to expire at each expiration step.
 // This value is globally used for different kind of data we expire, can be
 // tweaked based on data type.  See below in getBoundStatement.