diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6015643..f4637dc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -58,7 +58,7 @@ jobs:
           tag: ${{ env.VERSION }}
           overwrite: true
       - name: Upload Binary File to Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: mdbook-pdf-${{ env.VERSION }}-${{ matrix.target }}
           path: target/${{ matrix.target }}/release/mdbook-pdf
@@ -97,7 +97,7 @@ jobs:
           tag: ${{ env.VERSION }}
           overwrite: true
       - name: Upload Binary File to Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: mdbook-pdf-${{ env.VERSION }}-${{ matrix.target }}
           path: target/${{ matrix.target }}/release/mdbook-pdf.exe
@@ -138,7 +138,7 @@ jobs:
           tag: ${{ env.VERSION }}
           overwrite: true
       - name: Upload Binary File to Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: mdbook-pdf-${{ env.VERSION }}-${{ matrix.target }}
           path: target/${{ matrix.target }}/release/mdbook-pdf
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aee130e..62aa84f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -230,12 +230,12 @@ jobs:
           fi
           mdbook build
       - name: Upload PDF File to Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ runner.os }}_${{ matrix.name }}_PDF
           path: ${{ matrix.dir }}/book/pdf-outline/*.pdf
       - name: Upload Build HTML to Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ runner.os }}_${{ matrix.name }}_HTML
           path: ${{ matrix.dir }}/book/html/*
@@ -347,12 +347,12 @@ jobs:
           echo "[output.pdf-outline]" >> book.toml
           mdbook build
       - name: Upload PDF File to Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ runner.os }}_${{ matrix.name }}_PDF
           path: ${{ matrix.dir }}/book/pdf-outline/*.pdf
       - name: Upload Build HTML to Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ runner.os }}_${{ matrix.name }}_HTML
           path: ${{ matrix.dir }}/book/html/*