diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+v1.1.1.4:
+* Dependency update for base 4.11, HSE 1.20, HUnit 1.6, QuickCheck 2.11
+
 v1.1.1.3:
 * Dependency update for HSE 1.19, HUnit 1.5 (thanks Nikolay Amiantov)
 * Fix bug due to incautious naming of temporary variables (thanks Jack Fransham)
diff --git a/Plugin/Pl/Parser.hs b/Plugin/Pl/Parser.hs
--- a/Plugin/Pl/Parser.hs
+++ b/Plugin/Pl/Parser.hs
@@ -22,6 +22,7 @@
   HSE.TupleCon{} -> todo sc
   HSE.Cons _ -> (Inf, ":")
   HSE.UnboxedSingleCon{} -> todo sc
+  HSE.ExprHole{} -> todo sc
 
 opString :: HSE.QOp a -> (Fixity, String)
 opString (HSE.QVarOp _ qn) = qnameString qn
diff --git a/pointfree.cabal b/pointfree.cabal
--- a/pointfree.cabal
+++ b/pointfree.cabal
@@ -1,7 +1,7 @@
 Cabal-Version: >= 1.8
 
 Name:     pointfree
-Version:  1.1.1.3
+Version:  1.1.1.4
 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 == 8.0.1
+Tested-with: GHC == 8.4.4
 
 Source-repository head
   type:     git
@@ -26,10 +26,10 @@
 Library
   Exposed-modules: Pointfree
 
-  Build-depends: base >= 4.5 && < 4.10,
+  Build-depends: base >= 4.5 && < 4.12,
                  array >= 0.3 && < 0.6,
                  containers >= 0.4 && < 0.6,
-                 haskell-src-exts >= 1.18 && < 1.20,
+                 haskell-src-exts >= 1.20 && < 1.21,
                  transformers < 0.6
   Other-modules: Plugin.Pl.Common
                  Plugin.Pl.Parser
@@ -42,10 +42,10 @@
 Executable pointfree
   Main-is:       Main.hs
   GHC-options:   -W
-  Build-depends: base >= 4.3 && < 4.10,
+  Build-depends: base >= 4.3 && < 4.12,
                  array >= 0.3 && < 0.6,
                  containers >= 0.4 && < 0.6,
-                 haskell-src-exts >= 1.18 && < 1.20,
+                 haskell-src-exts >= 1.20 && < 1.21,
                  transformers < 0.6
   Other-modules: Plugin.Pl.Common
                  Plugin.Pl.Parser
@@ -64,9 +64,9 @@
     array >= 0.3 && < 0.6,
     base < 5,
     containers >= 0.3 && < 0.6,
-    haskell-src-exts >= 1.18 && < 1.20,
-    HUnit >= 1.1 && < 1.6,
-    QuickCheck >= 2.1 && < 2.10,
+    haskell-src-exts >= 1.20 && < 1.21,
+    HUnit >= 1.6 && < 1.7,
+    QuickCheck >= 2.11 && < 2.12,
     transformers < 0.6
 
   GHC-Options:    -W