diff --git a/shard.lock b/shard.lock
index 4739f781..0fb6a9dc 100644
--- a/shard.lock
+++ b/shard.lock
@@ -247,7 +247,7 @@ shards:
 
   placeos-core:
     git: https://github.com/placeos/core.git
-    version: 4.11.10+git.commit.2f03b1ede7c15da99201c7caadb9f50f885c71b2
+    version: 4.11.10+git.commit.2e0f5200df837913a5d9c75b5b7c13d7c2a84eb8
 
   placeos-core-client: # Overridden
     git: https://github.com/placeos/core-client.git
@@ -267,7 +267,7 @@ shards:
 
   placeos-models:
     git: https://github.com/placeos/models.git
-    version: 9.37.4
+    version: 9.38.2
 
   placeos-resource:
     git: https://github.com/place-labs/resource.git
diff --git a/src/constants.cr b/src/constants.cr
index 3244ebd7..e51e8e14 100644
--- a/src/constants.cr
+++ b/src/constants.cr
@@ -36,6 +36,10 @@ module PlaceOS::Api
   OPENAI_API_MODEL  = ENV["OPENAI_API_MODEL"]? || "gpt-4-1106-preview"
   OPENAI_MAX_TOKENS = ENV["OPENAI_MAX_TOKENS"]?.try(&.to_i) || 11264
 
+  # Upload temporary links
+  TEMP_LINK_MAX_MINUTES     = ENV["TEMP_LINK_MAX_MINUTES"]?.try(&.to_i) || 1440
+  TEMP_LINK_DEFAULT_MINUTES = ENV["TEMP_LINK_DEFAULT_MINUTES"]?.try(&.to_i) || TEMP_LINK_MAX_MINUTES
+
   # CHANGELOG
   #################################################################################################
 
diff --git a/src/placeos-rest-api/controllers/uploads.cr b/src/placeos-rest-api/controllers/uploads.cr
index 8f4cdb22..bcdd33b0 100644
--- a/src/placeos-rest-api/controllers/uploads.cr
+++ b/src/placeos-rest-api/controllers/uploads.cr
@@ -133,9 +133,10 @@ module PlaceOS::Api
     @[AC::Route::GET("/:id/url")]
     def get_link(
       @[AC::Param::Info(description: "Link expiry period in minutes.", example: "60")]
-      expiry : Int32 = 1440
+      expiry : Int32 = TEMP_LINK_DEFAULT_MINUTES
     )
-      expiry = expiry > 1440 ? 1440 : expiry
+      max_expiry = TEMP_LINK_MAX_MINUTES
+      expiry = expiry > max_expiry ? max_expiry : expiry
       unless storage = current_upload.storage
         Log.warn { {message: "upload object associated storage not found", upload_id: current_upload.id, authority: authority.id, user: current_user.id} }
         raise Error::NotFound.new("Upload missing associated storage")