diff --git a/.github/workflows/book.yml b/.github/workflows/book.yml
index 8e59a3f..ddf8085 100644
--- a/.github/workflows/book.yml
+++ b/.github/workflows/book.yml
@@ -1,10 +1,9 @@
-name: Za Warudo Book
+name: Satoru Book
 
 on:
   push:
     branches:
       - main
-  pull_request:
 
 jobs:
   book:
@@ -14,17 +13,31 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Check for changes in the book directory
+        id: check_changes
+        run: |
+          if git diff --quiet --exit-code HEAD^ HEAD -- book; then
+            echo "No changes in the 'book' directory. Exiting..."
+            exit 0
+          else
+            echo "Changes detected in the book directory. Continuing..."
+          fi
+        continue-on-error: true
+
       - name: Setup mdBook
+        if: steps.check_changes.outcome == 'success'
         uses: peaceiris/actions-mdbook@v1
         with:
           mdbook-version: "latest"
 
-      - run: mdbook build
+      - name: Build mdBook
+        if: steps.check_changes.outcome == 'success'
+        run: mdbook build
         working-directory: ./book
 
       - name: Deploy
+        if: ${{ github.ref == 'refs/heads/main' }} && steps.check_changes.outcome == 'success'
         uses: peaceiris/actions-gh-pages@v3
-        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./book/book
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8f740c5..21fe54a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,31 +1,18 @@
-on:
-  pull_request:
-    branches:
-      - main
-  push:
-    branches:
-      - main
+name: Build
+
+on: [push, pull_request]
+
 env:
-  SCARB_VERSION: 0.6.1+nightly-2023-08-16
+  SCARB_VERSION: 0.7.0
 
-# For the moment we will use nightly versions of scarb to be able to use latest features of Cairo.
-# The installation process will be a bit different than when using non nightly versions.
-# Once Cairo and Scarb will be stable, we will use the stable versions and the `software-mansion/setup-scarb` action.
-name: Build
 jobs:
   check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Scarb
-        #uses: software-mansion/setup-scarb@v1
-        # Install Scarb from a nightly release
-        run: |
-          NIGHTLY_DATE=$(echo ${SCARB_VERSION} | cut -d '+' -f 2)
-          wget https://github.com/software-mansion/scarb-nightlies/releases/download/${NIGHTLY_DATE}/scarb-${NIGHTLY_DATE}-x86_64-unknown-linux-gnu.tar.gz
-          tar -xvf scarb-${NIGHTLY_DATE}-x86_64-unknown-linux-gnu.tar.gz
-          sudo mv scarb-v${SCARB_VERSION}-x86_64-unknown-linux-gnu/bin/scarb /usr/local/bin
-
+      - uses: software-mansion/setup-scarb@v1
+        with:
+          scarb-version: "0.7.0"
       - name: Check cairo format
         run: scarb fmt --check
       - name: Build cairo programs
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 275c968..50d2b9b 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -1,17 +1,16 @@
-on:
-  pull_request:
-    branches:
-      - main
-  push:
-    branches:
-      - main
-
 name: Security
+
+on: [push, pull_request]
+
 jobs:
   check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: software-mansion/setup-scarb@v1
+        with:
+          scarb-version: "0.7.0"
+
       - name: Install Semgrep
         run: |
           pip install semgrep
@@ -21,4 +20,31 @@ jobs:
         uses: actions/upload-artifact@v3
         with:
           name: semgrep-cairo
-          path: semgrep-output.txt
\ No newline at end of file
+          path: semgrep-output.txt
+
+      - name: Build cairo programs
+        run: scarb build
+
+      - name: Cache Cargo dependencies
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Check if Caracal is installed
+        id: check-caracal
+        run: |
+          if ! command -v caracal &> /dev/null; then
+            echo "Caracal is not installed. Installing..."
+            cargo install --git https://github.com/crytic/caracal --profile release --force
+          else
+            echo "Caracal is already installed."
+          fi
+      - name: Run Caracal
+        run: caracal detect . > caracal-output.txt
+      - name: Save Caracal Output as an Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: caracal-cairo
+          path: caracal-output.txt
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a75933b..50de7e6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,28 +1,19 @@
-on:
-  pull_request:
-    branches:
-      - main
-  push:
-    branches:
-      - main
+name: Test
+
+on: [push, pull_request]
+
 env:
-  SCARB_VERSION: 0.6.1+nightly-2023-08-16
-  STARKNET_FOUNDRY_VERSION: 0.3.0
+  SCARB_VERSION: 0.7.0
+  STARKNET_FOUNDRY_VERSION: 0.5.0
 
-name: Test
 jobs:
   check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Scarb
-        #ses: software-mansion/setup-scarb@v1
-        # Install Scarb from a nightly release
-        run: |
-          NIGHTLY_DATE=$(echo ${SCARB_VERSION} | cut -d '+' -f 2)
-          wget https://github.com/software-mansion/scarb-nightlies/releases/download/${NIGHTLY_DATE}/scarb-${NIGHTLY_DATE}-x86_64-unknown-linux-gnu.tar.gz
-          tar -xvf scarb-${NIGHTLY_DATE}-x86_64-unknown-linux-gnu.tar.gz
-          sudo mv scarb-v${SCARB_VERSION}-x86_64-unknown-linux-gnu/bin/scarb /usr/local/bin
+      - uses: software-mansion/setup-scarb@v1
+        with:
+          scarb-version: "0.7.0"
       - name: Install starknet foundry
         run: curl -L https://raw.githubusercontent.com/foundry-rs/starknet-foundry/master/scripts/install.sh | sh -s -- -v ${STARKNET_FOUNDRY_VERSION}
       - name: Run cairo tests
diff --git a/.tool-versions b/.tool-versions
index 46b52fd..ce84f33 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-scarb 0.6.2
\ No newline at end of file
+scarb 0.7.0
\ No newline at end of file
diff --git a/Scarb.toml b/Scarb.toml
index f9077ae..89fe97d 100644
--- a/Scarb.toml
+++ b/Scarb.toml
@@ -19,6 +19,8 @@ sierra-replace-ids = true
 
 [dependencies]
 starknet = ">=2.1.0"
+snforge_std = { git = "https://github.com/foundry-rs/starknet-foundry.git", tag = "v0.5.0" }
+
 
 [tool.snforge]
 exit_first = false
diff --git a/tests/test_lockup_linear.cairo b/tests/test_lockup_linear.cairo
index 6068cfd..956ca29 100644
--- a/tests/test_lockup_linear.cairo
+++ b/tests/test_lockup_linear.cairo
@@ -14,7 +14,10 @@ use starknet::{
     ClassHash,
 };
 use debug::PrintTrait;
-use cheatcodes::PreparedContract;
+
+// Starknet Foundry imports.
+use snforge_std::{declare, start_prank, stop_prank, ContractClassTrait};
+
 
 // Local imports.
 use za_warudo::core::lockup_linear::{
@@ -108,12 +111,8 @@ fn setup_contracts(caller_address: ContractAddress) -> (IZaWarudoLockupLinearSaf
 
 /// Utility function to deploy a `ZaWarudoLockupLinear` contract and return its address.
 fn deploy_za_warudo(initial_admin: ContractAddress) -> ContractAddress {
-    let class_hash = declare('ZaWarudoLockupLinear');
-    let mut constructor_calldata = array![];
-    constructor_calldata.append(initial_admin.into());
-    let prepared = PreparedContract {
-        class_hash: class_hash, constructor_calldata: @constructor_calldata
-    };
-    deploy(prepared).unwrap()
+    let za_warudo_contract = declare('ZaWarudoLockupLinear');
+    let mut constructor_calldata = array![initial_admin.into()];
+    za_warudo_contract.deploy(@constructor_calldata).unwrap()
 }