diff --git a/src/Language/PureScript/Externs.hs b/src/Language/PureScript/Externs.hs
index c5dec928ca..db57b2c2e0 100644
--- a/src/Language/PureScript/Externs.hs
+++ b/src/Language/PureScript/Externs.hs
@@ -163,7 +163,7 @@ data ExternsDeclaration =
 instance Serialise ExternsDeclaration
 
 currentVersion :: String
-currentVersion = showVersion Paths.version ++ "-restaumatic3"
+currentVersion = showVersion Paths.version ++ "-restaumatic1"
 
 -- | Check whether the version in an externs file matches the currently running
 -- version.