diff --git a/.github/workflows/CI-latest.yml b/.github/workflows/CI-latest.yml
index 6d58e34..00967da 100644
--- a/.github/workflows/CI-latest.yml
+++ b/.github/workflows/CI-latest.yml
@@ -32,12 +32,12 @@ jobs:
         arch:
           - 'x64'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:
diff --git a/.github/workflows/CI-stable.yml b/.github/workflows/CI-stable.yml
index 00beb02..572a32c 100644
--- a/.github/workflows/CI-stable.yml
+++ b/.github/workflows/CI-stable.yml
@@ -39,20 +39,20 @@ jobs:
             os: ubuntu-latest
             arch: x64
           - package: DiffinDiffsBase
-            version: '1.3'
+            version: '1.6'
             os: ubuntu-latest
             arch: x64
           - package: InteractionWeightedDIDs
-            version: '1.3'
+            version: '1.6'
             os: ubuntu-latest
             arch: x64
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:
@@ -71,6 +71,7 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
         with:
           directories: src,lib/DiffinDiffsBase/src,lib/InteractionWeightedDIDs/src
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index 4cd8e5b..cbb0657 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -7,7 +7,7 @@ jobs:
   CompatHelper:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: "Add the General registry via Git"
         run: |
           import Pkg
diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index a550d2c..2e39254 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@latest
         with:
           version: '1'