diff --git a/lib/tailwindcss/upstream.rb b/lib/tailwindcss/upstream.rb
index 7b7e5a9..89e5864 100644
--- a/lib/tailwindcss/upstream.rb
+++ b/lib/tailwindcss/upstream.rb
@@ -1,7 +1,7 @@
 module Tailwindcss
   # constants describing the upstream tailwindcss project
   module Upstream
-    VERSION = "v3.1.3"
+    VERSION = "v3.1.8"
 
     # rubygems platform name => upstream release filename
     NATIVE_PLATFORMS = {