diff --git a/disinfo-nesy-detector/.github/workflows/rust.yml b/disinfo-nesy-detector/.github/workflows/rust.yml
index 407c985..aea8c7b 100644
--- a/disinfo-nesy-detector/.github/workflows/rust.yml
+++ b/disinfo-nesy-detector/.github/workflows/rust.yml
@@ -22,7 +22,9 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@6bed0761d98439e5a578e2877258200ad565ba87  # stable
+        with:
+          toolchain: stable
         with:
           components: rustfmt, clippy
 
diff --git a/disinfo-nesy-detector/.github/workflows/stress-test.yml b/disinfo-nesy-detector/.github/workflows/stress-test.yml
index fe7ce8f..3812387 100644
--- a/disinfo-nesy-detector/.github/workflows/stress-test.yml
+++ b/disinfo-nesy-detector/.github/workflows/stress-test.yml
@@ -13,7 +13,9 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@6bed0761d98439e5a578e2877258200ad565ba87  # stable
+        with:
+          toolchain: stable
 
       - name: Install stress testing tools
         run: |