--- a/cborg.cabal
+++ b/cborg.cabal
@@ -77,7 +77,7 @@
     bytestring              >= 0.10.4  && < 0.11,
     containers              >= 0.5     && < 0.6,
     ghc-prim                >= 0.3     && < 0.6,
-    half                    >= 0.2.2.3 && < 0.3,
+    half                    >= 0.2.2.3 && < 0.4,
     primitive               >= 0.5     && < 0.7,
     text                    >= 1.1     && < 1.3
 
