diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+v1.1.1.10:
+* When parsing as an expression and as a declaration both fail, show both errors (PR #39, thanks 1in1)
+* GitHub Action for CI
+* Dependency update for base 4.16, GHC 9.2.5 (PR #39, thanks Andreas Ländle)
+
 v1.1.1.9:
 * Dependency update for base 4.15, QC 2.14
 * Fix 'return x y' being incorrectly written to 'y' (instead of 'x')
diff --git a/Plugin/Pl/Parser.hs b/Plugin/Pl/Parser.hs
--- a/Plugin/Pl/Parser.hs
+++ b/Plugin/Pl/Parser.hs
@@ -93,6 +93,12 @@
 parsePF :: String -> Either String TopLevel
 parsePF inp = case HSE.parseExpWithMode parseMode inp of
   HSE.ParseOk e -> Right (TLE (hseToExpr e))
-  HSE.ParseFailed _ _ -> case HSE.parseDeclWithMode parseMode inp of
+  HSE.ParseFailed _ expParseErr -> case HSE.parseDeclWithMode parseMode inp of
     HSE.ParseOk d -> Right (TLD True (hseToDecl d))
-    HSE.ParseFailed _ err -> Left err
+    HSE.ParseFailed _ declParseErr -> Left jointErrorMessage where
+      jointErrorMessage = join
+        [ "Parsing input as an expression failed with \"", expParseErr,  "\""
+        , "\n"
+        , "Parsing input as an declaration failed with \"", declParseErr, "\""
+        ]
+
diff --git a/pointfree.cabal b/pointfree.cabal
--- a/pointfree.cabal
+++ b/pointfree.cabal
@@ -1,7 +1,7 @@
 Cabal-Version: >= 1.10
 
 Name:     pointfree
-Version:  1.1.1.9
+Version:  1.1.1.10
 Category: Tool
 Synopsis: Tool for refactoring expressions into pointfree form
 
@@ -17,7 +17,7 @@
 Extra-source-files: ChangeLog README test/Test.hs
 
 Build-type:  Simple
-Tested-with: GHC == 9.0.2
+Tested-with: GHC == 9.0.2, GHC == 9.2.5
 
 Source-repository head
   type:     git
@@ -27,7 +27,7 @@
   Exposed-modules: Pointfree
   Default-language: Haskell2010
 
-  Build-depends: base >= 4.5 && < 4.16,
+  Build-depends: base >= 4.5 && < 4.17,
                  array >= 0.3 && < 0.6,
                  containers >= 0.4 && < 0.7,
                  haskell-src-exts >= 1.20 && < 1.24,
@@ -44,7 +44,7 @@
   Main-is:       Main.hs
   Default-language: Haskell2010
   GHC-options:   -W
-  Build-depends: base >= 4.5 && < 4.16,
+  Build-depends: base >= 4.5 && < 4.17,
                  array >= 0.3 && < 0.6,
                  containers >= 0.4 && < 0.7,
                  haskell-src-exts >= 1.20 && < 1.24,
@@ -68,7 +68,7 @@
                  Plugin.Pl.Transform
 
   Build-depends:
-    base >= 4.5 && < 4.16,
+    base >= 4.5 && < 4.17,
     array >= 0.3 && < 0.6,
     containers >= 0.4 && < 0.7,
     haskell-src-exts >= 1.20 && < 1.24,