diff --git a/.github/workflows/build_all.yml b/.github/workflows/build_all.yml
index 58b4f3fa7ea..71c7c122034 100644
--- a/.github/workflows/build_all.yml
+++ b/.github/workflows/build_all.yml
@@ -46,7 +46,7 @@ jobs:
           # - os: windows-latest
           # - os: macos-12
           #   arch: x86_64
-          - os: macos-12
+          - os: macos-14
             arch: arm64
     uses: ./.github/workflows/build_check_cache.yml
     with:
diff --git a/.github/workflows/build_check_cache.yml b/.github/workflows/build_check_cache.yml
index 5b91a0d6c76..52125eb4a85 100644
--- a/.github/workflows/build_check_cache.yml
+++ b/.github/workflows/build_check_cache.yml
@@ -28,9 +28,9 @@ jobs:
       - name: set outputs
         id: set_outputs
         env:
-          underscore-arch: ${{ inputs.os == 'macos-12' && '_' || ''}}${{ inputs.os == 'macos-12' && inputs.arch || '' }} # if is macos, make a string that does "_{arch}", else output nothing
-          dash-arch: ${{ inputs.os == 'macos-12' && '-' || ''}}${{ inputs.os == 'macos-12' && inputs.arch || '' }} # if is macos, make a string that does "-{arch}", else output nothing
-          dep-folder-name: ${{ (inputs.os == 'windows-latest' || inputs.os == 'macos-12') && 'PrusaSlicer_dep' || 'destdir' }}
+          underscore-arch: ${{ inputs.os == 'macos-14' && '_' || ''}}${{ inputs.os == 'macos-14' && inputs.arch || '' }} # if is macos, make a string that does "_{arch}", else output nothing
+          dash-arch: ${{ inputs.os == 'macos-14' && '-' || ''}}${{ inputs.os == 'macos-14' && inputs.arch || '' }} # if is macos, make a string that does "-{arch}", else output nothing
+          dep-folder-name: ${{ (inputs.os == 'windows-latest' || inputs.os == 'macos-14') && 'PrusaSlicer_dep' || 'destdir' }}
           output-cmd: ${{ inputs.os == 'windows-latest' && '$env:GITHUB_OUTPUT' || '"$GITHUB_OUTPUT"'}}
         run: |
           echo cache-key=${{ runner.os }}${{ env.dash-arch }}-cache-Prusaslicer_deps-build-${{ hashFiles('deps/**') }} >> ${{ env.output-cmd }}
diff --git a/.github/workflows/build_deps.yml b/.github/workflows/build_deps.yml
index b6c3cc11c7a..f3eba23bb1e 100644
--- a/.github/workflows/build_deps.yml
+++ b/.github/workflows/build_deps.yml
@@ -67,7 +67,7 @@ jobs:
             cd ${{ github.workspace }}/deps/build
 
       - name: Build on Mac ${{ inputs.arch }}
-        if: inputs.os == 'macos-12'
+        if: inputs.os == 'macos-14'
         working-directory: ${{ github.workspace }}
         run: |
             brew install cmake git gettext automake texinfo
@@ -80,7 +80,7 @@ jobs:
 
       # Upload Artifacts
       - name: Upload Mac ${{ inputs.arch }} artifacts
-        if: inputs.os == 'macos-12'
+        if: inputs.os == 'macos-14'
         uses: actions/upload-artifact@v3
         with:
           name: PrusaSlicer_dep_mac_${{ inputs.arch }}_${{ env.date }}
diff --git a/.github/workflows/build_prusa.yml b/.github/workflows/build_prusa.yml
index 0ed813656d2..f8b25e1df98 100644
--- a/.github/workflows/build_prusa.yml
+++ b/.github/workflows/build_prusa.yml
@@ -75,7 +75,7 @@ jobs:
 
 #   Mac
       - name: Install tools mac
-        if: inputs.os == 'macos-12'
+        if: inputs.os == 'macos-14'
         run: |
           brew install cmake git gettext tree
           brew list
@@ -84,20 +84,20 @@ jobs:
           tree ${{ github.workspace }}/deps/build_${{inputs.arch}}/PrusaSlicer_dep_${{inputs.arch}}
 
       - name: Build slicer mac
-        if: inputs.os == 'macos-12'
+        if: inputs.os == 'macos-14'
         working-directory: ${{ github.workspace }}
         run: |
           ./build_release_macos.sh -s -n -a ${{inputs.arch}} -t 10.15
 
       - name: Create DMG without notary
-        if: github.ref != 'refs/heads/boss' && inputs.os == 'macos-12'
+        if: github.ref != 'refs/heads/boss' && inputs.os == 'macos-14'
         working-directory: ${{ github.workspace }}
         run: |
           ln -s /Applications ${{ github.workspace }}/build_${{inputs.arch}}/PrusaSlicer/Applications
           hdiutil create -volname "PrusaSlicer" -srcfolder ${{ github.workspace }}/build_${{inputs.arch}}/PrusaSlicer -ov -format UDZO PrusaSlicer_Mac_${{inputs.arch}}_${{ env.ver }}.dmg
 
       - name: Upload artifacts mac
-        if: inputs.os == 'macos-12'
+        if: inputs.os == 'macos-14'
         uses: actions/upload-artifact@v3
         with:
           name: PrusaSlicer_Mac_${{inputs.arch}}_${{ env.ver }}