1 files changed, 1 insertions, 1 deletions
diff --git a/install.hs b/install.hs
index d8c36c1..5bd2b63 100755
--- a/install.hs
+++ b/install.hs
@@ -39,7 +39,7 @@ import System.Process.Typed
 -- | Keep this in sync with the stack.yamls at the top level of the project.
 supportedGhcVersions :: [Version]
 supportedGhcVersions =
-  map Version ["8.0.2", "8.2.2", "8.4.3", "8.4.4", "8.6.3"]
+  map Version ["8.0.2", "8.2.2", "8.4.3", "8.4.4", "8.6.3", "8.6.4"]
 
 newtype Version = Version { unVersion :: String } deriving Eq