diff --git a/imp.cabal b/imp.cabal
--- a/imp.cabal
+++ b/imp.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.2
 name: imp
-version: 1.0.3.3
+version: 1.0.3.4
 synopsis: A GHC plugin for automatically importing modules.
 description: Imp is a GHC plugin for automatically importing modules.
 category: Plugin
@@ -20,7 +20,7 @@
   manual: True
 
 common library
-  build-depends: base ^>=4.19.0.0 || ^>=4.20.0.0 || ^>=4.21.0.0
+  build-depends: base ^>=4.19.0.0 || ^>=4.20.0.0 || ^>=4.21.0.0 || ^>=4.22.0.0
   default-language: Haskell2010
   ghc-options:
     -Weverything
@@ -46,10 +46,10 @@
   import: library
   autogen-modules: Paths_imp
   build-depends:
-    Cabal-syntax ^>=3.10.1.0 || ^>=3.12.0.0 || ^>=3.14.0.0,
-    containers ^>=0.6.7 || ^>=0.7,
+    Cabal-syntax ^>=3.10.1.0 || ^>=3.12.0.0 || ^>=3.14.0.0 || ^>=3.16.0.0,
+    containers ^>=0.6.7 || ^>=0.7 || ^>=0.8,
     exceptions ^>=0.10.5,
-    ghc ^>=9.8.1 || ^>=9.10.1 || ^>=9.12.1,
+    ghc ^>=9.8.1 || ^>=9.10.1 || ^>=9.12.1 || ^>=9.14.1,
     transformers ^>=0.6.1,
 
   -- cabal-gild: discover source/library
diff --git a/source/library/Imp.hs b/source/library/Imp.hs
--- a/source/library/Imp.hs
+++ b/source/library/Imp.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE TypeApplications #-}
 
@@ -152,23 +153,51 @@
         Source.Implicit -> Nothing
         Source.Explicit m -> Just m
   Just
-    Hs.ImportDecl
-      { Hs.ideclExt =
-          Hs.XImportDeclPass
-            { Hs.ideclAnn = Hs.noAnn,
-              Hs.ideclSourceText = SourceText.NoSourceText,
-              Hs.ideclImplicit = True
-            },
-        Hs.ideclName = Hs.noLocA source,
+    emptyImportDecl
+      { Hs.ideclName = Hs.noLocA source,
         Hs.ideclPkgQual =
           maybe PkgQual.NoRawPkgQual (PkgQual.RawPkgQual . PackageName.toStringLiteral) $
             Map.lookup (Target.fromModuleName target) packages,
-        Hs.ideclSource = Hs.NotBoot,
-        Hs.ideclSafe = False,
-        Hs.ideclQualified = Hs.QualifiedPre,
         Hs.ideclAs =
           if source == target
             then Nothing
-            else Just $ Hs.noLocA target,
-        Hs.ideclImportList = Nothing
+            else Just $ Hs.noLocA target
       }
+
+emptyImportDecl :: Hs.ImportDecl Hs.GhcPs
+#if MIN_VERSION_ghc(9, 14, 0)
+emptyImportDecl =
+  Hs.ImportDecl
+    { Hs.ideclExt =
+        Hs.XImportDeclPass
+          { Hs.ideclAnn = Hs.noAnn,
+            Hs.ideclSourceText = SourceText.NoSourceText,
+            Hs.ideclImplicit = True
+          },
+      Hs.ideclName = Hs.noLocA $ Plugin.mkModuleName "Imp.Unknown",
+      Hs.ideclPkgQual = PkgQual.NoRawPkgQual,
+      Hs.ideclSource = Hs.NotBoot,
+      Hs.ideclSafe = False,
+      Hs.ideclQualified = Hs.QualifiedPre,
+      Hs.ideclAs = Nothing,
+      Hs.ideclLevelSpec = Hs.NotLevelled,
+      Hs.ideclImportList = Nothing
+    }
+#else
+emptyImportDecl =
+  Hs.ImportDecl
+    { Hs.ideclExt =
+        Hs.XImportDeclPass
+          { Hs.ideclAnn = Hs.noAnn,
+            Hs.ideclSourceText = SourceText.NoSourceText,
+            Hs.ideclImplicit = True
+          },
+      Hs.ideclName = Hs.noLocA $ Plugin.mkModuleName "Imp.Unknown",
+      Hs.ideclPkgQual = PkgQual.NoRawPkgQual,
+      Hs.ideclSource = Hs.NotBoot,
+      Hs.ideclSafe = False,
+      Hs.ideclQualified = Hs.QualifiedPre,
+      Hs.ideclAs = Nothing,
+      Hs.ideclImportList = Nothing
+    }
+#endif
diff --git a/source/test-suite/Main.hs b/source/test-suite/Main.hs
--- a/source/test-suite/Main.hs
+++ b/source/test-suite/Main.hs
@@ -131,14 +131,20 @@
 
 parseModule :: (Exception.MonadThrow m) => String -> m (Plugin.Located (Hs.HsModule Hs.GhcPs))
 parseModule input = do
-  let parserOpts = Lexer.mkParserOpts EnumSet.empty emptyDiagOpts [] False False False False
-      stringBuffer = StringBuffer.stringToStringBuffer input
+  let stringBuffer = StringBuffer.stringToStringBuffer input
       realSrcLoc = Plugin.mkRealSrcLoc (Plugin.mkFastString "<interactive>") 1 1
-      pState = Lexer.initParserState parserOpts stringBuffer realSrcLoc
+      pState = Lexer.initParserState emptyParserOpts stringBuffer realSrcLoc
       parseResult = Lexer.unP Parser.parseModule pState
   case parseResult of
     Lexer.PFailed _ -> Exception.throwM $ InvalidInput input
     Lexer.POk _ lHsModule -> pure lHsModule
+
+emptyParserOpts :: Lexer.ParserOpts
+#if MIN_VERSION_ghc(9, 14, 0)
+emptyParserOpts = Lexer.mkParserOpts EnumSet.empty emptyDiagOpts False False False False
+#else
+emptyParserOpts = Lexer.mkParserOpts EnumSet.empty emptyDiagOpts [] False False False False
+#endif
 
 emptyDiagOpts :: Error.DiagOpts
 #if MIN_VERSION_ghc(9, 8, 1)