diff --git a/src/GhcUtil.hs b/src/GhcUtil.hs
index baa9193..1792227 100644
--- a/src/GhcUtil.hs
+++ b/src/GhcUtil.hs
@@ -1,2 +1,3 @@
 {-# LANGUAGE CPP #-}
+{-# LANGUAGE PackageImports #-}
 module GhcUtil (withGhc) where
@@ -12,3 +13,3 @@ import           DynFlags (gopt_set)
 #endif
-import           Panic (throwGhcException)
+import "ghc"     Panic (throwGhcException)
 
diff --git a/src/Run.hs b/src/Run.hs
index fa9096f..dca590a 100644
--- a/src/Run.hs
+++ b/src/Run.hs
@@ -1,2 +1,3 @@
 {-# LANGUAGE CPP #-}
+{-# LANGUAGE PackageImports #-}
 module Run (
@@ -23,3 +24,3 @@ import           System.IO
 import qualified Control.Exception as E
-import           Panic
+import "ghc"     Panic