diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index ba4a9d280c..0bcfb989d3 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - id: set-matrix
-        run: echo "::set-output name=matrix::$(scripts/workflows/audit-matrix.py)"
+        run: echo "matrix=$(scripts/workflows/audit-matrix.py)" >> $GITHUB_OUTPUT
 
   test:
     name: audit
diff --git a/.github/workflows/build-frontend-canister.yml b/.github/workflows/build-frontend-canister.yml
index 009e3aa600..98b8120c63 100644
--- a/.github/workflows/build-frontend-canister.yml
+++ b/.github/workflows/build-frontend-canister.yml
@@ -18,7 +18,7 @@ jobs:
     name: frontend-canister-up-to-date:required
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up
         run: |
           rustup target add wasm32-unknown-unknown
diff --git a/.github/workflows/consistent-sources.yml b/.github/workflows/consistent-sources.yml
index 28fbc9e22a..346a83b151 100644
--- a/.github/workflows/consistent-sources.yml
+++ b/.github/workflows/consistent-sources.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v13
+      - uses: cachix/install-nix-action@v18
         with:
           nix_path: nixpkgs=channel:nixos-21.05-small
       - name: Install dependencies
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index aa119b500e..a2cdb53af9 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -80,7 +80,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - id: set-matrix
-        run: echo "::set-output name=matrix::$(scripts/workflows/e2e-matrix.py)"
+        run: echo "matrix=$(scripts/workflows/e2e-matrix.py)" >> $GITHUB_OUTPUT
 
   smoke:
     runs-on: ${{ matrix.os }}
@@ -98,7 +98,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Download dfx binary
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: dfx-${{ matrix.os }}-rs-${{ matrix.rust }}
           path: /usr/local/bin
@@ -131,7 +131,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Download dfx binary
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: dfx-${{ matrix.os }}-rs-${{ matrix.rust }}
           path: /usr/local/bin
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 49930f366e..1b331cd932 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -24,7 +24,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: dfinity/conventional-pr-title-action@v2.2.3
+      - uses: dfinity/conventional-pr-title-action@v2.4.4
         with:
           success-state: Title follows the specification.
           failure-state: Title does not follow the specification.
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a0565acec4..95773575ec 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -150,7 +150,7 @@ jobs:
         run: echo "VERSION=$GITHUB_REF_NAME" >> $GITHUB_ENV
 
       - name: Download Artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: dfx-artifacts-${{ matrix.rust }}-${{ matrix.name }}
 
diff --git a/.github/workflows/update-replica-version.yml b/.github/workflows/update-replica-version.yml
index d31c87ef2e..4d6ff8ce79 100644
--- a/.github/workflows/update-replica-version.yml
+++ b/.github/workflows/update-replica-version.yml
@@ -44,7 +44,7 @@ jobs:
         grep -s "REPLICA_VERSION" $GITHUB_ENV
    
     - name: install Nix
-      uses: cachix/install-nix-action@d64e0553100205688c0fb2fa16edb0fc8663c590 # https://github.com/cachix/install-nix-action/releases/tag/v17
+      uses: cachix/install-nix-action@v18
       with:
         nix_path: nixpkgs=channel:nixos-unstable