diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3c0f958..c2e443b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -72,7 +72,7 @@ jobs:
     - name: Build the binary wheel and a source tarball
       run: just build
     - name: Store the distribution packages
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: python-package-distributions
         path: dist/
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 17008d1..aa2b722 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -47,7 +47,7 @@ jobs:
       # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
       # format to the repository Actions tab.
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: SARIF file
           path: results.sarif
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 456ed20..f30a737 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -100,7 +100,7 @@ jobs:
         just test ./tests/verify_environment.py
         just test-all
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -183,7 +183,7 @@ jobs:
         just test-all
         if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -262,7 +262,7 @@ jobs:
         just test ./tests/verify_environment.py
         just test-all
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -349,7 +349,7 @@ jobs:
             just test ./tests/verify_environment.py
             just test-all --group psycopg3
         - name: Store coverage files
-          uses: actions/upload-artifact@v5
+          uses: actions/upload-artifact@v6
           with:
             name: ${{ env.COVERAGE_FILE }}
             path: ${{ env.COVERAGE_FILE }}
@@ -430,7 +430,7 @@ jobs:
         pytest --cov-append ./tests/shellcompletion/test_shell_resolution.py::test_get_win_shell_failure || exit 1
 
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -513,7 +513,7 @@ jobs:
       shell: fish {0}
 
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -603,7 +603,7 @@ jobs:
         just test-zsh || exit 1
 
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -683,7 +683,7 @@ jobs:
         just test-bash || exit 1
 
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -771,7 +771,7 @@ jobs:
         just test-fish || exit 1
 
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -866,7 +866,7 @@ jobs:
         pytest --cov-append ./tests/shellcompletion/test_shell_resolution.py::test_get_win_shell_failure || exit 1
       shell: cmd
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
@@ -961,7 +961,7 @@ jobs:
         pytest --cov-append ./tests/shellcompletion/test_shell_resolution.py::test_get_win_shell_failure
       shell: cmd
     - name: Store coverage files
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ env.COVERAGE_FILE }}
         path: ${{ env.COVERAGE_FILE }}
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index b619260..f93ded6 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -39,7 +39,7 @@ jobs:
           zizmor --format sarif .github/workflows/ > results.sarif
 
       - name: Upload analysis results
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: zizmor-results
           path: results.sarif