diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 3f16d7a..09f9488 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -32,11 +32,13 @@ jobs:
             - stable
           os:
             - ubuntu-latest
-            - macos-13
-            #- windows-latest
+            - macos-latest
+            - windows-latest
           include:
             - toolchain: beta
               os: ubuntu-latest
+            - toolchain: nightly
+              os: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v4
@@ -50,31 +52,35 @@ jobs:
       run: rustup default ${{ matrix.toolchain }} && rustup update ${{ matrix.toolchain }} --no-self-update && rustup component add clippy
     - name: Rust version
       run: rustc -Vv
-    - name: Install LLVM and Clang (Ubuntu)
+    - name: Install LLVM and Clang
       uses: KyleMayes/install-llvm-action@v2
-      if : matrix.os == 'ubuntu-latest'
+      if : matrix.os == 'ubuntu-latest' || matrix.os == 'macos-13' || matrix.os == 'macos-latest'
       with:
-        version: "14.0"
-    - name: Install LLVM and Clang (macOS)
-      if : matrix.os == 'macos-13'
-      run: |
-        brew install llvm@14  
-        echo "LLVM_SYS_140_PREFIX=/usr/local/opt/llvm@14" >> $GITHUB_ENV
-        echo "LLVM_DIR=/usr/local/opt/llvm@14" >> $GITHUB_ENV
-    - name: Set features variable and install dependencies
+        version: "16.0"
+    - name: Set features variable and install dependencies (Ubuntu)
       if: matrix.os == 'ubuntu-latest'
       run: |
-        echo "ADDITIONAL_FEATURES_FLAGS=--features sundials --features suitesparse" >> $GITHUB_ENV
+        echo "ADDITIONAL_FEATURES_FLAGS=--features diffsl-llvm16 --features sundials --features suitesparse" >> $GITHUB_ENV
         sudo apt-get update
         sudo apt-get install -y libsuitesparse-dev libsundials-dev
+    - name: Set features variable and install dependencies (macOS)
+      if: matrix.os == 'macos-13' || matrix.os == 'macos-latest'
+      run: |
+        echo "ADDITIONAL_FEATURES_FLAGS=--features diffsl-llvm16" >> $GITHUB_ENV
+    - name: Set features variable and install dependencies (Windows)
+      if: matrix.os == 'windows-latest'
+      run: |
+        echo "ADDITIONAL_FEATURES_FLAGS=--features diffsl" >> $GITHUB_ENV
     - name: Run tests - default features
       run: cargo test --verbose
     - name: Run tests - all features
-      run: cargo test --verbose --features diffsl-llvm14 ${{ env.ADDITIONAL_FEATURES_FLAGS || '' }}
+      run: cargo test --verbose ${{ env.ADDITIONAL_FEATURES_FLAGS || '' }}
     - name: Clippy - all features
-      run: cargo clippy --verbose --features diffsl-llvm14 ${{ env.ADDITIONAL_FEATURES_FLAGS || ''}}
+      if : matrix.os == 'ubuntu-latest' && matrix.toolchain == 'nightly'
+      run: cargo clippy --verbose ${{ env.ADDITIONAL_FEATURES_FLAGS || ''}}
     - name: Docs - all features
-      run: cargo rustdoc --features diffsl-llvm14 ${{ env.ADDITIONAL_FEATURES_FLAGS || ''}}
+      if : matrix.os == 'ubuntu-latest' && matrix.toolchain == 'nightly'
+      run: cargo rustdoc ${{ env.ADDITIONAL_FEATURES_FLAGS || ''}}
   book:
     runs-on: ubuntu-latest
     steps:
diff --git a/Cargo.toml b/Cargo.toml
index cfda6c7..4dfca30 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,18 +18,17 @@ sundials = ["suitesparse_sys", "bindgen", "cc"]
 suitesparse = ["suitesparse_sys"]
 diffsl = ["dep:diffsl"]
 diffsl-llvm = []
-diffsl-llvm13 = ["diffsl/llvm13-0", "diffsl", "diffsl-llvm"]
-diffsl-llvm14 = ["diffsl/llvm14-0", "diffsl", "diffsl-llvm"]
 diffsl-llvm15 = ["diffsl/llvm15-0", "diffsl", "diffsl-llvm"]
 diffsl-llvm16 = ["diffsl/llvm16-0", "diffsl", "diffsl-llvm"]
 diffsl-llvm17 = ["diffsl/llvm17-0", "diffsl", "diffsl-llvm"]
+diffsl-llvm18 = ["diffsl/llvm18-0", "diffsl", "diffsl-llvm"]
 
 [dependencies]
 nalgebra = "0.33.2"
 nalgebra-sparse = { version = "0.10", features = ["io"] }
 num-traits = "0.2.17"
-serde = { version = "1.0.215", features = ["derive"] }
-diffsl = { package = "diffsl", version = "0.2.5", optional = true }
+serde = { version = "1.0.216", features = ["derive"] }
+diffsl = { package = "diffsl", version = "0.2.6", optional = true }
 petgraph = "0.6.4"
 faer = "0.19.4"
 suitesparse_sys = { version = "0.1.3", optional = true }