diff --git a/.github/workflows/cargo.yml b/.github/workflows/cargo.yml
index b87fee67..1d51f025 100644
--- a/.github/workflows/cargo.yml
+++ b/.github/workflows/cargo.yml
@@ -28,6 +28,10 @@ jobs:
         with:
           path: libcryptsetup-rs
           persist-credentials: false
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: cargo
+          rust-src-dir: libcryptsetup-rs
       - name: Install dependencies for Fedora
         run: >
           dnf install -y
@@ -38,10 +42,6 @@ jobs:
           openssl-devel
           python-requests
           python-semantic_version
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          components: cargo
-          toolchain: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
       - name: Check out ci repo
         uses: actions/checkout@v6
         with:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1d485302..668aaeb1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,7 +21,6 @@ jobs:
   format:
     env:
       TASK: fmt-ci
-      TOOLCHAIN: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
     runs-on: ubuntu-22.04
     steps:
       - name: Install git
@@ -29,16 +28,14 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@master
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           components: rustfmt
-          toolchain: ${{ env.TOOLCHAIN }}
-      - name: Test format on ${{ env.TOOLCHAIN }} toolchain
+      - name: Test format on CURRENT DEVELOPMENT RUST TOOLCHAIN
         run: make -f Makefile $TASK
   lint:
     env:
       TASK: clippy
-      TOOLCHAIN: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
     runs-on: ubuntu-22.04
     steps:
       - name: Install git
@@ -46,10 +43,9 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@master
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           components: clippy
-          toolchain: ${{ env.TOOLCHAIN }}
       - name: Install dependencies
         run: >
           sudo apt-get install libcryptsetup-dev
@@ -58,7 +54,6 @@ jobs:
   typos:
     env:
       TASK: check-typos
-      TOOLCHAIN: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
     runs-on: ubuntu-22.04
     steps:
       - name: Install git
@@ -66,9 +61,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: ${{ env.TOOLCHAIN }}
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
       - uses: baptiste0928/cargo-install@v3
         with:
           crate: typos-cli
@@ -76,10 +69,7 @@ jobs:
         run: make -f Makefile $TASK
 
 
-  # MANDATORY TESTING ON STABLE
   stable:
-    env:
-      TOOLCHAIN: stable
     strategy:
       matrix:
         include:
@@ -104,19 +94,14 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: ${{ env.TOOLCHAIN }}
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
       - name: Install dependencies
         run: >
           sudo apt-get install ${{ matrix.dependencies }}
       - name: Test ${{ matrix.task }} on ${{ env.TOOLCHAIN }} toolchain
         run: ${{ matrix.task }}
 
-  # MANDATORY TESTING USING LOWEST SUPPORTED TOOLCHAIN
   lowest_supported:
-    env:
-      TOOLCHAIN: 1.85.0  # LOWEST SUPPORTED RUST TOOLCHAIN
     strategy:
       matrix:
         include:
@@ -130,23 +115,27 @@ jobs:
     steps:
       - name: Install git
         run: sudo apt-get install git
+      - name: Install toml-cli
+        run: pip install --user toml-cli
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@master
+      - name: Get package MSRV
+        id: msrv
+        run: |
+          PATH="$PATH:$(python3 -m site --user-base)/bin" MSRV=$(toml get --toml-path Cargo.toml "package.rust-version")
+          echo "MSRV=$MSRV" >> "$GITHUB_OUTPUT"
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          toolchain: ${{ env.TOOLCHAIN }}
+          toolchain: ${{ steps.msrv.outputs.MSRV }}
       - name: Install dependencies
         run: >
           sudo apt-get install ${{ matrix.dependencies }}
-      - name: Test ${{ matrix.task }} on ${{ env.TOOLCHAIN }} toolchain
+      - name: Test ${{ matrix.task }} on LOWEST SUPPORTED RUST TOOLCHAIN
         run: ${{ matrix.task }}
 
   # MANDATORY TESTING ON FEDORA
   fedora:
-    env:
-      # Lowest supported
-      TOOLCHAIN: 1.85.0  # LOWEST SUPPORTED RUST TOOLCHAIN
     strategy:
       matrix:
         include:
@@ -234,13 +223,20 @@ jobs:
       options: --privileged -v /dev:/dev
     steps:
       - name: Install git
-        run: dnf install -y git
+        run: dnf install -y git python3-pip
+      - name: Install toml-cli
+        run: pip install --user toml-cli
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@master
+      - name: Get package MSRV
+        id: msrv
+        run: |
+          PATH="$PATH:$(python3 -m site --user-base)/bin" MSRV=$(toml get --toml-path Cargo.toml "package.rust-version")
+          echo "MSRV=$MSRV" >> "$GITHUB_OUTPUT"
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          toolchain: ${{ env.TOOLCHAIN }}
+          toolchain: ${{ steps.msrv.outputs.MSRV }}
       - name: Install dependencies
         run: dnf install -y make gcc clang-devel ${{ matrix.dependencies }}
       - name: Test ${{ matrix.task }} on ${{ env.TOOLCHAIN }} toolchain
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 419622e6..972f73a4 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -17,10 +17,9 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@master
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           components: cargo
-          toolchain: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
       - name: Install dependencies
         run: sudo apt-get install libcryptsetup-dev
       - uses: baptiste0928/cargo-install@v3
@@ -40,6 +39,10 @@ jobs:
         with:
           path: libcryptsetup-rs
           persist-credentials: false
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: cargo
+          rust-src-dir: libcryptsetup-rs
       - name: Install dependencies for Fedora
         run: >
           dnf install -y
@@ -50,10 +53,6 @@ jobs:
           openssl-devel
           python-requests
           python-semantic_version
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          components: cargo
-          toolchain: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
       - name: Check out ci repo
         uses: actions/checkout@v6
         with:
@@ -87,10 +86,8 @@ jobs:
         uses: obi1kenobi/cargo-semver-checks-action@v2
         with:
           verbose: true
-          rust-toolchain: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
           manifest-path: libcryptsetup-rs-sys
       - name: Do semantic version checks
         uses: obi1kenobi/cargo-semver-checks-action@v2
         with:
           verbose: true
-          rust-toolchain: 1.95.0  # CURRENT DEVELOPMENT RUST TOOLCHAIN
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 00000000..ab562ec7
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,2 @@
+[toolchain]
+channel = "1.95.0" # CURRENT DEVELOPMENT RUST TOOLCHAIN