diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 997bdc31..3eee3a54 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -14,9 +14,9 @@ jobs:
         dfx: [ '0.8.4', '0.9.2', '0.10.1', '0.11.1' ]
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - name: Cache Cargo
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/fmt.yml b/.github/workflows/fmt.yml
index 3994648d..31f46b38 100644
--- a/.github/workflows/fmt.yml
+++ b/.github/workflows/fmt.yml
@@ -11,10 +11,10 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Cache Cargo
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/ic-ref.yml b/.github/workflows/ic-ref.yml
index 167eb6bf..4f76ae51 100644
--- a/.github/workflows/ic-ref.yml
+++ b/.github/workflows/ic-ref.yml
@@ -19,19 +19,19 @@ jobs:
             os: ubuntu-latest
 
     steps:
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install dfx
         uses: dfinity/setup-dfx@main
         with:
-          dfx-version: "0.15.3-largewasm.0"
+          dfx-version: "0.16.1"
 
       - name: Cargo cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 7cdc7f9e..b80d4fe6 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -11,9 +11,9 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/netlify.yml b/.github/workflows/netlify.yml
index 3c4e038f..1f222253 100644
--- a/.github/workflows/netlify.yml
+++ b/.github/workflows/netlify.yml
@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4
       with:
         path: |
           ~/.cargo/registry
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3a186389..14451e92 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
             binary_path: target/x86_64-apple-darwin/release
             binary_files: icx
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v4
 
     - name: Setup environment variables
       run: |
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index 53d419f7..991b9b3a 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -17,7 +17,7 @@ jobs:
     # ubuntu-latest has shellcheck 0.4.6, while macos-latest has 0.7.1
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install shellcheck
         run: |
           mkdir $HOME/bin
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4d03af3a..43132ede 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,9 +14,9 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry