diff --git a/.github/workflows/build-gossamer-gui.yml b/.github/workflows/build-gossamer-gui.yml
index 25c7c4c9..ea967e0f 100644
--- a/.github/workflows/build-gossamer-gui.yml
+++ b/.github/workflows/build-gossamer-gui.yml
@@ -138,8 +138,6 @@ jobs:
 
       - name: Setup Rust (stable) with wasm32 target
         uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: master
         with:
           toolchain: stable
           targets: wasm32-unknown-unknown
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6fb3a3ea..31251f22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,8 +38,6 @@ jobs:
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: master
         with:
           toolchain: stable
           components: clippy, rustfmt
diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
index 77d77b35..75a5ec16 100644
--- a/.github/workflows/quality.yml
+++ b/.github/workflows/quality.yml
@@ -113,8 +113,6 @@ jobs:
       # shell-piped installer — satisfies the download_then_run policy.
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: master
         with:
           toolchain: stable
           components: rust-docs
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 110e4cac..9c25fc50 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -124,8 +124,6 @@ jobs:
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: master
         with:
           toolchain: stable
           targets: ${{ matrix.target }}
diff --git a/.github/workflows/security-policy.yml b/.github/workflows/security-policy.yml
index f1d3bf48..41b11100 100644
--- a/.github/workflows/security-policy.yml
+++ b/.github/workflows/security-policy.yml
@@ -36,8 +36,6 @@ jobs:
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: master
         with:
           toolchain: stable
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 68b395db..b17cfee0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -76,8 +76,6 @@ jobs:
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
-        with:
-          toolchain: master
         with:
           toolchain: stable