diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index d319290bf8..df8a29ec5e 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -33,7 +33,7 @@ jobs:
           make DESTDIR="$(pwd)"/_dest install
 
       - name: Upload
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: install
           path: _dest/
@@ -94,7 +94,7 @@ jobs:
           tar -C ../install -cf - . | tar xf - &&
           tar cvf - * .[0-9A-Za-z]* | gzip -1 >../git-sdk-x86_64-minimal.tar.gz
       - name: upload minimal-sdk artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: minimal-sdk
           path: git-sdk-x86_64-minimal.tar.gz
@@ -107,7 +107,7 @@ jobs:
           echo "result=$(tar Oxf git-artifacts.tar.gz git/bin-wrappers/git |
             sed -n 's|^GIT_EXEC_PATH='\''\(.*\)/git'\''$|\1|p')" >>$GITHUB_OUTPUT
       - name: upload git artifacts for testing
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: git-artifacts
           path: git-artifacts.tar.gz
diff --git a/.github/workflows/cygwin.yml b/.github/workflows/cygwin.yml
index 2f815a31c8..65cccfd9b1 100644
--- a/.github/workflows/cygwin.yml
+++ b/.github/workflows/cygwin.yml
@@ -168,7 +168,7 @@ jobs:
 
     # upload test logs to facilitate investigation of problems
     - name: Upload test logs
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: testlogs
         path: |
diff --git a/.github/workflows/ui-tests.yml b/.github/workflows/ui-tests.yml
index 1209d0e79f..67bf75ebc5 100644
--- a/.github/workflows/ui-tests.yml
+++ b/.github/workflows/ui-tests.yml
@@ -190,7 +190,7 @@ jobs:
           screenshot $bounds "ui-tests/screenshot.png"
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ui-tests-${{ matrix.os }}
           path: ui-tests