typechecker-regex-prototype: fix dependency on tcplugins-extra
@@ -26,6 +26,6 @@ library
, OverloadedStrings
build-depends: base >= 4.7 && < 5
, ghc >= 8.0.1 && < 8.6
- , ghc-tcplugins-extra
+ , ghc-tcplugins-extra >= 0.2.5 && < 0.3
, libfa
default-language: Haskell2010
