diff --git a/servant-lucid.cabal b/servant-lucid.cabal
index c107ea6..0bf22c3 100644
--- a/servant-lucid.cabal
+++ b/servant-lucid.cabal
@@ -36,7 +36,7 @@ library
                      , servant    >=0.17    && <0.21
 
   if !impl(ghc >= 8.0)
-    build-depends:     semigroups >=0.18.4  && <0.20
+    build-depends:     semigroups >=0.18.4 && <0.21
 
   hs-source-dirs:      src
   default-language:    Haskell2010