diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index adb5882..ff299c1 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -46,16 +46,16 @@ jobs:
             package: ON,
             path-cache: '${{ github.workspace }}\vcpkg\installed',
             path-toolchain: 'C:/vcpkg/scripts/buildsystems/vcpkg.cmake',
-            os-id: 'linux'
+            os-id: 'windows'
           }
           - {
             name: ubuntu-release-package-on,
-            os: ubuntu-latest,
+            os: ubuntu-20.04,   # we want to use an older version in order to increase likelihood that binaries work on other distros
             platform: x64-linux,
             package: ON,
             path-cache: '/usr/local/share/vcpkg/installed',
             path-toolchain: '/usr/local/share/vcpkg/scripts/buildsystems/vcpkg.cmake',
-            os-id: 'windows'
+            os-id: 'linux'
           }
 
     steps:
@@ -88,7 +88,7 @@ jobs:
 
       # gather the binaries
       - name: Prepare Linux binaries
-        if: matrix.config.os == 'ubuntu-latest'
+        if: matrix.config.os == 'ubuntu-20.04'
         working-directory: ${{github.workspace}}
         shell: bash
         run: |
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11ac7db..0fb46c2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ cmake_policy(SET CMP0091 NEW) # enable new "MSVC runtime library selection" (htt
 # Note that the CMake-variables <Projectname>_VERSION_MAJOR, <Projectname>_VERSION_MINOR, ... are defined by this statement,
 #  which are used in the build (so that - if changing the name here, change also the usage of those variables).
 project ("czicompress"
-         VERSION 0.5.0)
+         VERSION 0.5.1)
 
 set(czicompress_VERSION_PATCH_FLAGS "-alpha")
 set(czicompress_VERSION_TWEAK_FLAGS "")