diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 2aea6fcba..255c7848c 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v2
       with:
         persist-credentials: false
 
@@ -34,7 +34,7 @@ jobs:
 
     # Setup gcloud CLI
     - name: Set up gcloud SDK environment
-      uses: google-github-actions/setup-gcloud@master
+      uses: google-github-actions/setup-gcloud@v0
       with:
         version: '295.0.0'
         project_id: ${{ env.PROJECT_ID }}
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
@@ -69,7 +69,7 @@ jobs:
 
       # Setup gcloud CLI
       - name: Set up gcloud SDK environment
-        uses: google-github-actions/setup-gcloud@master
+        uses: google-github-actions/setup-gcloud@v0
         with:
           version: '295.0.0'
           project_id: ${{ env.PROJECT_ID }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a623d86a..a4238e937 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
         rust: [stable]
 
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
@@ -44,7 +44,7 @@ jobs:
       - uses: Swatinem/rust-cache@v1
 
       - name: cargo fetch
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: fetch
 
@@ -101,7 +101,7 @@ jobs:
         run: cargo run --example download-params
 
       - name: Run tests
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: test
           args: --verbose --all
@@ -111,7 +111,7 @@ jobs:
       - name: Run zebrad large sync tests
         # Skip the entire step on Ubuntu and Windows, because the test would be skipped anyway due to ZEBRA_SKIP_NETWORK_TESTS
         if: matrix.os == 'macOS-latest'
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: test
           # Note: this only runs the zebrad acceptance tests, because re-running all the test binaries is slow on Windows
@@ -126,7 +126,7 @@ jobs:
         rust: [stable]
 
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
@@ -139,7 +139,7 @@ jobs:
       - uses: Swatinem/rust-cache@v1
 
       - name: cargo fetch
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: fetch
 
@@ -149,7 +149,7 @@ jobs:
       #
       # Also, we don't want to accidentally use the fake heights in other tests.
       - name: Run tests with fake activation heights
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         env:
           TEST_FAKE_ACTIVATION_HEIGHTS: ""
         with:
@@ -167,7 +167,7 @@ jobs:
         rust: [stable, beta]
 
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
@@ -180,7 +180,7 @@ jobs:
       - uses: Swatinem/rust-cache@v1
 
       - name: cargo fetch
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: fetch
 
@@ -194,7 +194,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
@@ -208,18 +208,18 @@ jobs:
 
       # This check makes sure the crate dependency check is accurate
       - name: Check Cargo.lock is up to date
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: check
           args: --locked --all-features --all-targets
 
       - name: cargo fetch
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: fetch
 
       - name: Build
-        uses: actions-rs/cargo@v1.0.3
+        uses: actions-rs/cargo@v1
         with:
           command: build
           args: --verbose --release
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index cb83b5583..ab9ca211e 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -25,11 +25,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
-      - uses: actions-rs/toolchain@v1.0.7
+      - uses: actions-rs/toolchain@v1
         with:
           # Pinned to workaround issue making cargo-llvm-cov fail, see
           # https://github.com/taiki-e/cargo-llvm-cov/issues/128
@@ -82,4 +82,4 @@ jobs:
         run: cargo llvm-cov --lcov --no-run --output-path lcov.info
 
       - name: Upload coverage report to Codecov
-        uses: codecov/codecov-action@v2.1.0
+        uses: codecov/codecov-action@v2
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 579fb32e6..078bef926 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout the source code
-      uses: actions/checkout@v2.4.0
+      uses: actions/checkout@v2
       with:
         persist-credentials: false
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b29260a8b..6d082478a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -29,7 +29,7 @@ jobs:
           persist-credentials: false
 
       - name: Run clippy
-        uses: actions-rs/clippy-check@v1.0.7
+        uses: actions-rs/clippy-check@v1
         with:
           # GitHub displays the clippy job and its results as separate entries
           name: Clippy (stable) Results
@@ -54,7 +54,7 @@ jobs:
 
       - uses: Swatinem/rust-cache@v1 # TODO: No cache is being found
 
-      - uses: actions-rs/cargo@v1.0.3
+      - uses: actions-rs/cargo@v1
         with:
           command: fmt
           args: --all -- --check
diff --git a/.github/workflows/manual-deploy.yml b/.github/workflows/manual-deploy.yml
index 93a35dae2..4dc333d68 100644
--- a/.github/workflows/manual-deploy.yml
+++ b/.github/workflows/manual-deploy.yml
@@ -17,7 +17,7 @@ jobs:
     name: Deploy one zebrad node
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v2
       with:
         persist-credentials: false
 
@@ -31,7 +31,7 @@ jobs:
         echo "REPOSITORY=$REPOSITORY" >> $GITHUB_ENV
 
     - name: Set up gcloud
-      uses: google-github-actions/setup-gcloud@master
+      uses: google-github-actions/setup-gcloud@v0
       with:
         version: '295.0.0'
         project_id: ${{ env.PROJECT_ID }}
diff --git a/.github/workflows/regenerate-stateful-test-disks.yml b/.github/workflows/regenerate-stateful-test-disks.yml
index 388b1ffbe..998e6a899 100644
--- a/.github/workflows/regenerate-stateful-test-disks.yml
+++ b/.github/workflows/regenerate-stateful-test-disks.yml
@@ -16,7 +16,7 @@ jobs:
     name: Regenerate test state
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
@@ -29,7 +29,7 @@ jobs:
           echo "SHORT_SHA=$(git rev-parse --short=7 $GITHUB_SHA)" >> $GITHUB_ENV && \
           echo "REPOSITORY=$REPOSITORY" >> $GITHUB_ENV
       - name: Set up gcloud
-        uses: google-github-actions/setup-gcloud@master
+        uses: google-github-actions/setup-gcloud@v0
         with:
           version: '295.0.0'
           project_id: ${{ env.PROJECT_ID }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3a7df67cf..7d7950509 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
     name: Run all tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
 
@@ -37,7 +37,7 @@ jobs:
           echo "REPOSITORY=$REPOSITORY" >> $GITHUB_ENV
 
       - name: Set up gcloud
-        uses: google-github-actions/setup-gcloud@master
+        uses: google-github-actions/setup-gcloud@v0
         with:
           version: '295.0.0'
           project_id: ${{ env.PROJECT_ID }}
diff --git a/.github/workflows/zcashd-manual-deploy.yml b/.github/workflows/zcashd-manual-deploy.yml
index e56fc89e7..d88e9c465 100644
--- a/.github/workflows/zcashd-manual-deploy.yml
+++ b/.github/workflows/zcashd-manual-deploy.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2
         with:
           persist-credentials: false
         
@@ -32,7 +32,7 @@ jobs:
 
       # Setup gcloud CLI
       - name: Set up gcloud SDK environment
-        uses: google-github-actions/setup-gcloud@master
+        uses: google-github-actions/setup-gcloud@v0
         with:
           version: '295.0.0'
           project_id: ${{ env.PROJECT_ID }}