diff --git a/.github/workflows/cabal.yml b/.github/workflows/cabal.yml
index c1581d5..cd29b5c 100644
--- a/.github/workflows/cabal.yml
+++ b/.github/workflows/cabal.yml
@@ -17,8 +17,8 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest]
-        cabal: ["3.2.0"]
-        ghc: ["8.10.3"]
+        cabal: ["3.4.0"]
+        ghc: ["8.10.4"]
         include:
           - os: ubuntu-latest
             os_name: linux
@@ -48,12 +48,12 @@ jobs:
         cabal install --install-method=copy --installdir=bin
         ldd bin/pboy || otool -L bin/pboy || true
 
-    - name: Compress binaries
-      uses: svenstaro/upx-action@v2
-      with:
-        file: bin/pboy
-        args: --best
-        strip: true
+    # - name: Compress binaries
+    #   uses: svenstaro/upx-action@v2
+    #   with:
+    #     file: bin/pboy
+    #     args: --best
+    #     strip: true
 
     - name: Prepare Publishing
       if: startsWith(github.ref, 'refs/tags/')
diff --git a/Changelog.txt b/Changelog.txt
index f62d887..31fe8e7 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,5 +1,8 @@
 Changelog
 
+1.6, 2021-04-20
+    - build and CI fixes
+
 1.5, 2021-01-19
     - fix the binary compression to work on MacOS Big Sur.
 
diff --git a/pboy.cabal b/pboy.cabal
index 42ea402..0d52991 100644
--- a/pboy.cabal
+++ b/pboy.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name:           pboy
-version:        1.5
+version:        1.6
 synopsis:       a small .pdf management utility
 description:    Please see the README on Github at <https://github.com/2mol/pboy#readme>
 homepage:       https://github.com/2mol/pboy#readme
diff --git a/pboy.nix b/pboy.nix
index ff5fcec..5cdcc7f 100644
--- a/pboy.nix
+++ b/pboy.nix
@@ -9,7 +9,7 @@ let
   pboy = haskellPackages.callCabal2nix "pboy" (lib.cleanSource ./.) {};
 in
   symlinkJoin {
-    name = "pboy-1.5";
+    name = "pboy-1.6";
     buildInputs = [makeWrapper];
     postBuild = ''
       wrapProgram "$out/bin/pboy" \