diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 275d080a5..d30d1cfce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
         uses: gradle/actions/setup-gradle@3f5f9adaf7d9fecd50b5935e54106014257a94e6
 
       - name: Install uv and set the Python version
-        uses: astral-sh/setup-uv@18d369b23da25a81e9458561248e1aafff6a70fa
+        uses: astral-sh/setup-uv@07a047e608db84b3d8c06cd9a7c7dcc9c355c18e
         with:
           python-version: ${{ matrix.python-version }}
           activate-environment: true
@@ -58,7 +58,7 @@ jobs:
           rustup toolchain install
 
       - name: Cache Rust builds
-        uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
+        uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
         with:
           workspaces: packages/smithy-checksums
           key: ${{ matrix.python-version }}
@@ -129,7 +129,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv and set the Python version
-        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
+        uses: astral-sh/setup-uv@07a047e608db84b3d8c06cd9a7c7dcc9c355c18e # v10.3.2
         with:
           python-version: ${{ matrix.python-version }}
           activate-environment: true
@@ -141,7 +141,7 @@ jobs:
           rustup toolchain install
 
       - name: Cache Rust builds
-        uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
+        uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
         with:
           workspaces: packages/${{ matrix.package }}
           key: ${{ matrix.python-version }}
@@ -177,7 +177,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv and set the Python version
-        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
+        uses: astral-sh/setup-uv@07a047e608db84b3d8c06cd9a7c7dcc9c355c18e # v10.3.2
         with:
           python-version: "3.12"
           activate-environment: true
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index 9b127db4c..2b6104db1 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -24,4 +24,4 @@ jobs:
           persist-credentials: false
 
       - name: Run zizmor 🌈
-        uses: zizmorcore/zizmor-action@85b2b9fb8e3325e7a23d7d0a9d7ba5ae0f999e3e # v0.7.1
+        uses: zizmorcore/zizmor-action@53290badfa369cb0bf7ad16342cb62c2fa47ac7b # v0.8.0