diff --git a/.github/workflows/ci-py.yml b/.github/workflows/ci-py.yml
index 1bd138f4f..104335167 100644
--- a/.github/workflows/ci-py.yml
+++ b/.github/workflows/ci-py.yml
@@ -50,7 +50,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.5
+        uses: mozilla-actions/sccache-action@v0.0.6
 
       - name: Set up uv
         run: .github/script/install-uv.sh
@@ -92,7 +92,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: mozilla-actions/sccache-action@v0.0.5
+      - uses: mozilla-actions/sccache-action@v0.0.6
       - name: Install stable toolchain
         uses: dtolnay/rust-toolchain@stable
       - name: Build HUGR binary
@@ -175,7 +175,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.5
+        uses: mozilla-actions/sccache-action@v0.0.6
 
       - name: Set up uv
         run: .github/script/install-uv.sh
diff --git a/.github/workflows/ci-rs.yml b/.github/workflows/ci-rs.yml
index f26470fb9..67bceaaec 100644
--- a/.github/workflows/ci-rs.yml
+++ b/.github/workflows/ci-rs.yml
@@ -46,7 +46,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: mozilla-actions/sccache-action@v0.0.5
+      - uses: mozilla-actions/sccache-action@v0.0.6
       - name: Install stable toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -67,7 +67,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: mozilla-actions/sccache-action@v0.0.5
+      - uses: mozilla-actions/sccache-action@v0.0.6
       - name: Install stable toolchain
         uses: dtolnay/rust-toolchain@stable
       - name: Build benchmarks with no features
@@ -83,7 +83,7 @@ jobs:
     name: tests (Rust stable, no features)
     steps:
       - uses: actions/checkout@v4
-      - uses: mozilla-actions/sccache-action@v0.0.5
+      - uses: mozilla-actions/sccache-action@v0.0.6
       - id: toolchain
         uses: dtolnay/rust-toolchain@master
         with:
@@ -103,7 +103,7 @@ jobs:
     name: tests (Rust stable, all features)
     steps:
       - uses: actions/checkout@v4
-      - uses: mozilla-actions/sccache-action@v0.0.5
+      - uses: mozilla-actions/sccache-action@v0.0.6
       - id: toolchain
         uses: dtolnay/rust-toolchain@master
         with:
@@ -136,7 +136,7 @@ jobs:
     name: tests (Rust ${{ matrix.rust }})
     steps:
       - uses: actions/checkout@v4
-      - uses: mozilla-actions/sccache-action@v0.0.5
+      - uses: mozilla-actions/sccache-action@v0.0.6
       - id: toolchain
         uses: dtolnay/rust-toolchain@master
         with:
@@ -186,7 +186,7 @@ jobs:
     name: tests (Rust nightly, coverage)
     steps:
       - uses: actions/checkout@v4
-      - uses: mozilla-actions/sccache-action@v0.0.5
+      - uses: mozilla-actions/sccache-action@v0.0.6
       - uses: dtolnay/rust-toolchain@master
         with:
           # Nightly is required to count doctests coverage
diff --git a/.github/workflows/python-wheels.yml b/.github/workflows/python-wheels.yml
index 81762eb19..f1665aa3a 100644
--- a/.github/workflows/python-wheels.yml
+++ b/.github/workflows/python-wheels.yml
@@ -30,7 +30,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.5
+        uses: mozilla-actions/sccache-action@v0.0.6
 
       - name: Set up uv
         run: .github/script/install-uv.sh