diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index aa042443dc..b674e83633 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -223,7 +223,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
@@ -324,7 +326,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
@@ -414,7 +418,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
@@ -501,7 +507,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
@@ -610,7 +618,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 3373e7b215..813acf6a3b 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -92,7 +92,9 @@ jobs:
           key: ${{ runner.os }}-${{ github.job }}-cargo-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: ${{ runner.os }}-cargo-
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Start sccache server
         run: sccache --start-server
       - name: ${{ matrix.make.name }}
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 685f5f3071..dff62dc217 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -68,7 +68,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
@@ -138,7 +140,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3696b94108..08162c48c6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -56,7 +56,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
diff --git a/.github/workflows/triggerable_pos.yml b/.github/workflows/triggerable_pos.yml
index c3605289cf..7f2d2ba411 100644
--- a/.github/workflows/triggerable_pos.yml
+++ b/.github/workflows/triggerable_pos.yml
@@ -50,7 +50,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with:
diff --git a/.github/workflows/triggerable_sync.yml b/.github/workflows/triggerable_sync.yml
index 32606384a1..8b7b23c8d1 100644
--- a/.github/workflows/triggerable_sync.yml
+++ b/.github/workflows/triggerable_sync.yml
@@ -63,7 +63,9 @@ jobs:
           version: "25.0"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.4
+        with:
+          version: "v0.7.7"
       - name: Setup rust toolchain
         uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
         with: