diff --git a/.github/workflows/build-arm64-wheels.yml b/.github/workflows/build-arm64-wheels.yml
index 93f65b3c..78e65cd4 100644
--- a/.github/workflows/build-arm64-wheels.yml
+++ b/.github/workflows/build-arm64-wheels.yml
@@ -45,7 +45,7 @@ jobs:
         pip install maturin==1.7.0
         CC=gcc maturin build --release --strip --manylinux 2_28
     - name: Upload artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: wheels
         path: target/wheels/
diff --git a/.github/workflows/build-crate.yml b/.github/workflows/build-crate.yml
index cdd79aab..77acd2b8 100644
--- a/.github/workflows/build-crate.yml
+++ b/.github/workflows/build-crate.yml
@@ -53,7 +53,7 @@ jobs:
       run: cargo publish --dry-run
 
     - name: Upload crate artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: crate
         path: ./target/package/clvm_tools_rs-*.crate
diff --git a/.github/workflows/build-m1-wheel.yml b/.github/workflows/build-m1-wheel.yml
index 86fc755b..a3e05e48 100644
--- a/.github/workflows/build-m1-wheel.yml
+++ b/.github/workflows/build-m1-wheel.yml
@@ -106,7 +106,7 @@ jobs:
         pytest
 
     - name: Upload wheels
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: wheels
         path: ./target/wheels
diff --git a/.github/workflows/build-riscv.yml b/.github/workflows/build-riscv.yml
index f46c8b81..62f3ab83 100644
--- a/.github/workflows/build-riscv.yml
+++ b/.github/workflows/build-riscv.yml
@@ -76,7 +76,7 @@ jobs:
           '
 
     - name: Upload artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: packages
         path: ./target/wheels/
diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 9ee91c09..e3bc55a5 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -224,7 +224,7 @@ jobs:
         docker run -v ${GITHUB_WORKSPACE}:/root/clvm_tools_rs -t clvm-tools-rs-alpine sh /root/build-alpine.sh
 
     - name: Upload artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: wheels
         path: ./target/wheels/
diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 46a2d9fe..4279cdd1 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -62,7 +62,7 @@ jobs:
           cd wasm/tests/clvm-tools-interface && npm install && yarn test
 
       - name: Upload npm pkg artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: npm-pkg
           path: ./wasm/pkg/clvm_tools_wasm-*.tgz