diff --git a/Makefile b/Makefile
index 44f1c6495..8b4625d19 100644
--- a/Makefile
+++ b/Makefile
@@ -119,6 +119,8 @@ endif
 ##################
 .PHONY: deps libbacktrace
 
+FOUNDRY_VERSION := 1.5.0
+
 rustup:
 ifeq (, $(shell which cargo))
 # Install Rustup if it's not installed
@@ -128,7 +130,7 @@ ifeq (, $(shell which cargo))
 endif
 
 rln-deps: rustup
-	./scripts/install_rln_tests_dependencies.sh
+	./scripts/install_rln_tests_dependencies.sh $(FOUNDRY_VERSION)
 
 deps: | deps-common nat-libs waku.nims
 
diff --git a/scripts/install_anvil.sh b/scripts/install_anvil.sh
index 1bf4bd7b1..24a5fd312 100755
--- a/scripts/install_anvil.sh
+++ b/scripts/install_anvil.sh
@@ -2,14 +2,51 @@
 
 # Install Anvil
 
-if ! command -v anvil &> /dev/null; then
+REQUIRED_FOUNDRY_VERSION="$1"
+
+if command -v anvil &> /dev/null; then
+    # Foundry is already installed; check the current version.
+    CURRENT_FOUNDRY_VERSION=$(anvil --version 2>/dev/null | awk '{print $2}')
+
+    if [ -n "$CURRENT_FOUNDRY_VERSION" ]; then
+        # Compare CURRENT_FOUNDRY_VERSION < REQUIRED_FOUNDRY_VERSION using sort -V
+        lower_version=$(printf '%s\n%s\n' "$CURRENT_FOUNDRY_VERSION" "$REQUIRED_FOUNDRY_VERSION" | sort -V | head -n1)
+
+        if [ "$lower_version" != "$REQUIRED_FOUNDRY_VERSION" ]; then
+            echo "Anvil is already installed with version $CURRENT_FOUNDRY_VERSION, which is older than the required $REQUIRED_FOUNDRY_VERSION. Please update Foundry manually if needed."
+        fi
+    fi
+else
     BASE_DIR="${XDG_CONFIG_HOME:-$HOME}"
     FOUNDRY_DIR="${FOUNDRY_DIR:-"$BASE_DIR/.foundry"}"
     FOUNDRY_BIN_DIR="$FOUNDRY_DIR/bin"
 
+    echo "Installing Foundry..."
     curl -L https://foundry.paradigm.xyz | bash
-    # Extract the source path from the download result
-    echo "foundryup_path: $FOUNDRY_BIN_DIR"
-    # run foundryup
-    $FOUNDRY_BIN_DIR/foundryup
+
+    # Add Foundry to PATH for this script session
+    export PATH="$FOUNDRY_BIN_DIR:$PATH"
+
+    # Verify foundryup is available
+    if ! command -v foundryup >/dev/null 2>&1; then
+        echo "Error: foundryup installation failed or not found in $FOUNDRY_BIN_DIR"
+        exit 1
+    fi
+
+    # Run foundryup to install the required version
+    if [ -n "$git" ]; then
+        echo "Installing Foundry tools version $REQUIRED_FOUNDRY_VERSION..."
+        foundryup --install "$REQUIRED_FOUNDRY_VERSION"
+    else
+        echo "Installing latest Foundry tools..."
+        foundryup
+    fi
+
+    # Verify anvil was installed
+    if ! command -v anvil >/dev/null 2>&1; then
+        echo "Error: anvil installation failed"
+        exit 1
+    fi
+
+    echo "Anvil successfully installed: $(anvil --version)"
 fi
\ No newline at end of file
diff --git a/scripts/install_rln_tests_dependencies.sh b/scripts/install_rln_tests_dependencies.sh
index e19e0ef3c..65a74d10e 100755
--- a/scripts/install_rln_tests_dependencies.sh
+++ b/scripts/install_rln_tests_dependencies.sh
@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
 
 # Install Anvil
-./scripts/install_anvil.sh
+FOUNDRY_VERSION="$1"
+./scripts/install_anvil.sh "$FOUNDRY_VERSION"
 
 #Install pnpm
 ./scripts/install_pnpm.sh
\ No newline at end of file