diff --git a/.github/workflows/contract.yaml b/.github/workflows/contract.yaml
index 7c9fd47b..b38e0e8f 100644
--- a/.github/workflows/contract.yaml
+++ b/.github/workflows/contract.yaml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        toolchain: [stable, nightly]
+        toolchain: [nightly]
 
     steps:
       - id: checkout
diff --git a/.github/workflows/deployment.yaml b/.github/workflows/deployment.yaml
index 5df50a4b..91f8d86e 100644
--- a/.github/workflows/deployment.yaml
+++ b/.github/workflows/deployment.yaml
@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        toolchain: [stable, nightly]
+        toolchain: [nightly]
 
     steps:
       - id: checkout
@@ -44,7 +44,7 @@ jobs:
         name: Setup Toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
+          toolchain: ${{ matrix.toolchain }}
 
       - id: publish
         name: Publish Crates
diff --git a/.github/workflows/testing.yaml b/.github/workflows/testing.yaml
index f60f03e5..d9d0c60c 100644
--- a/.github/workflows/testing.yaml
+++ b/.github/workflows/testing.yaml
@@ -39,7 +39,7 @@ jobs:
 
     strategy:
       matrix:
-        toolchain: [stable, nightly]
+        toolchain: [nightly]
 
     steps:
       - id: checkout
@@ -79,7 +79,7 @@ jobs:
 
     strategy:
       matrix:
-        toolchain: [stable, nightly]
+        toolchain: [nightly]
 
     steps:
       - id: checkout