diff --git a/.github/workflows/builds.yml b/.github/workflows/builds.yml
index fb0127f6f4..2112227914 100644
--- a/.github/workflows/builds.yml
+++ b/.github/workflows/builds.yml
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Cache ~/.cargo
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo
           key: cargo
@@ -123,7 +123,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Cache ~/.cargo
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo
           key: cbindgen
@@ -150,7 +150,7 @@ jobs:
     steps:
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -336,7 +336,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -423,7 +423,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -510,7 +510,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -948,7 +948,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1020,7 +1020,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1113,7 +1113,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1176,7 +1176,7 @@ jobs:
     steps:
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1308,7 +1308,7 @@ jobs:
     steps:
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry
diff --git a/.github/workflows/commits.yml b/.github/workflows/commits.yml
index b5fdbadc67..61937320ca 100644
--- a/.github/workflows/commits.yml
+++ b/.github/workflows/commits.yml
@@ -16,7 +16,7 @@ jobs:
     container: ubuntu:20.04
     steps:
       - name: Caching ~/.cargo
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo
           key: commit-check-cargo
diff --git a/.github/workflows/formatting.yml b/.github/workflows/formatting.yml
index dfdd1cb208..dfc66ea581 100644
--- a/.github/workflows/formatting.yml
+++ b/.github/workflows/formatting.yml
@@ -25,7 +25,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@c3f1317a9e7b1ef106c153ac8c0f00fed3ddbc0d
+        uses: actions/cache@0865c47f36e68161719c5b124609996bb5c40129
         with:
           path: ~/.cargo/registry
           key: cargo-registry