diff --git a/.github/workflows/why2-chat-build.yml b/.github/workflows/why2-chat-build.yml
index 949c140..f8b4382 100644
--- a/.github/workflows/why2-chat-build.yml
+++ b/.github/workflows/why2-chat-build.yml
@@ -39,7 +39,6 @@ jobs:
     steps:
       - name: Checkout repository
       - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@stable
         with:
           ref: development
 
@@ -56,6 +55,7 @@ jobs:
         run: sudo ./${{ matrix.configure }}
 
       - name: Install WHY2
+      - uses: dtolnay/rust-toolchain@stable
         run: make install
 
       - name: Build Chat
diff --git a/.github/workflows/why2-core-test.yml b/.github/workflows/why2-core-test.yml
index 1ff5d94..52b56fd 100644
--- a/.github/workflows/why2-core-test.yml
+++ b/.github/workflows/why2-core-test.yml
@@ -40,7 +40,6 @@ jobs:
     steps:
       - name: Checkout repository
       - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@stable
         with:
           ref: development
 
@@ -60,6 +59,7 @@ jobs:
         run: sudo apt install valgrind
 
       - name: Install WHY2
+      - uses: dtolnay/rust-toolchain@stable
         run: make install
 
       - name: Build WHY2 Test
diff --git a/.github/workflows/why2-logger-test.yml b/.github/workflows/why2-logger-test.yml
index ff088e7..2679ae6 100644
--- a/.github/workflows/why2-logger-test.yml
+++ b/.github/workflows/why2-logger-test.yml
@@ -40,7 +40,6 @@ jobs:
     steps:
       - name: Checkout repository
       - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@stable
         with:
           ref: development
 
@@ -60,6 +59,7 @@ jobs:
         run: sudo apt install valgrind
 
       - name: Install WHY2
+      - uses: dtolnay/rust-toolchain@stable
         run: make install
 
       - name: Build WHY2 Test
diff --git a/.github/workflows/why2-project.yml b/.github/workflows/why2-project.yml
index e5b2f51..1df4f8e 100644
--- a/.github/workflows/why2-project.yml
+++ b/.github/workflows/why2-project.yml
@@ -36,7 +36,6 @@ jobs:
     steps:
       - name: Checkout repository
       - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@stable
         with:
           ref: development
 
@@ -54,6 +53,7 @@ jobs:
         run: sudo ./${{ matrix.configure }}
 
       - name: Install WHY2
+      - uses: dtolnay/rust-toolchain@stable
         run: make install
 
       - name: Download WHY2 test project