diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index 011e3b19..1b7aa570 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -533,7 +533,7 @@ defaultStablePackages ghcVer requireHP = unPackageMap $ execWriter $ do
     addRange "Michael Snoyman" "lifted-base" "< 0.2.2.2"
 
     -- https://github.com/liyang/thyme/issues/29
-    when (ghcVer < GhcMajorVersion 7 6) $
+    when (ghcVer <= GhcMajorVersion 7 6) $
         addRange "Michael Snoyman" "thyme" "< 0.3.5.3"
 
     -- https://github.com/fpco/stackage/issues/224