diff --git a/.github/workflows/builds.yml b/.github/workflows/builds.yml
index b8038a339c..4e079d47dc 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@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo
           key: cargo
@@ -123,7 +123,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Cache ~/.cargo
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo
           key: cbindgen
@@ -150,7 +150,7 @@ jobs:
     steps:
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -258,7 +258,7 @@ jobs:
     steps:
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -449,7 +449,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -539,7 +539,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -630,7 +630,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -721,7 +721,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1129,7 +1129,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1201,7 +1201,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1296,7 +1296,7 @@ jobs:
 
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1359,7 +1359,7 @@ jobs:
     steps:
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
@@ -1496,7 +1496,7 @@ jobs:
     steps:
       # Cache Rust stuff.
       - name: Cache cargo registry
-        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry
diff --git a/.github/workflows/commits.yml b/.github/workflows/commits.yml
index 6696be29cd..71b9dab8a4 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@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo
           key: commit-check-cargo
diff --git a/.github/workflows/formatting.yml b/.github/workflows/formatting.yml
index 7fc9b65031..3dfd2e81d1 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@fd5de65bc895cf536527842281bea11763fefd77
+        uses: actions/cache@56461b9eb0f8438fd15c7a9968e3c9ebb18ceff1
         with:
           path: ~/.cargo/registry
           key: cargo-registry