diff --git a/lib/linguist/version.rb b/lib/linguist/version.rb
index 45fb0292..bce0aef5 100644
--- a/lib/linguist/version.rb
+++ b/lib/linguist/version.rb
@@ -1,3 +1,3 @@
 module Linguist
-  VERSION = "4.2.3"
+  VERSION = "4.2.5"
 end
diff --git a/script/download-grammars b/script/download-grammars
index e0dfe10c..cd7713f0 100755
--- a/script/download-grammars
+++ b/script/download-grammars
@@ -14,7 +14,7 @@ CSONC = File.expand_path("../../node_modules/.bin/csonc", __FILE__)
 
 class TarballPackage
   def self.fetch(tmp_dir, url)
-    `curl --silent --location --max-time 10 --output "#{tmp_dir}/archive" "#{url}"`
+    `curl --silent --location --max-time 30 --output "#{tmp_dir}/archive" "#{url}"`
     raise "Failed to fetch GH package: #{url} #{$?.to_s}" unless $?.success?
 
     output = File.join(tmp_dir, 'extracted')