diff --git a/crates/download_rapidsnark.sh b/crates/download_rapidsnark.sh
index c492a7b..dc9950e 100755
--- a/crates/download_rapidsnark.sh
+++ b/crates/download_rapidsnark.sh
@@ -4,49 +4,60 @@
 set -e
 
 # OUT_DIR is specified by the rust build environment
-if [ -z $OUT_DIR ]; then
+if [ -z "$OUT_DIR" ]; then
     echo "OUT_DIR not specified"
     exit 1
 fi
 # TARGET is specified by the rust build environment
-if [ -z $TARGET ]; then
+if [ -z "$TARGET" ]; then
     echo "TARGET not specified"
     exit 1
 fi
-BUILD_DIR=$OUT_DIR/rapidsnark
-mkdir -p $BUILD_DIR
 
-download_and_unzip() {
-    local target="$1"
-    local zip_file="$BUILD_DIR/$target.zip"
-    
-    echo "Downloading $target..."
-    
-    # Download file with error handling
-    if ! curl -L -o "$zip_file" "https://rapidsnark.zkmopro.org/$target.zip"; then
-        echo "Failed to download $target.zip"
-        return 1  # Return failure status
-    fi
-    
-    echo "Unzipping $zip_file..."
-    
-    # Unzip with error handling
-    if ! unzip "$zip_file" -d "$BUILD_DIR"; then
-        echo "Failed to unzip $zip_file"
-        return 1
-    fi
-    
-    echo "✅ Successfully downloaded and extracted $target.zip"
-}
+# Pinned iden3 rapidsnark release. Bump this to update the prebuilt artifacts.
+VERSION="v0.0.8"
+BASE_URL="https://github.com/iden3/rapidsnark/releases/download/$VERSION"
 
-# Try downloading the full target
-if ! download_and_unzip "$TARGET"; then
-    echo "Retrying with local architecture..."
-    
-    local_arch=$(echo "$TARGET" | cut -d'-' -f1)
-    
-    if ! download_and_unzip "$local_arch"; then
-        echo "Download failed for both $TARGET and $local_arch"
-        exit 1  # Exit the script with failure
-    fi
+BUILD_DIR="$OUT_DIR/rapidsnark"
+mkdir -p "$BUILD_DIR"
+
+arch=$(echo "$TARGET" | cut -d'-' -f1)
+
+# Map the rust target triple to the iden3 release asset slug.
+case "$TARGET" in
+    x86_64-*-linux-*)                       asset="rapidsnark-linux-x86_64-$VERSION" ;;
+    aarch64-*-linux-gnu*)                   asset="rapidsnark-linux-arm64-$VERSION" ;;
+    aarch64-linux-android)                  asset="rapidsnark-android-arm64-$VERSION" ;;
+    x86_64-linux-android)                   asset="rapidsnark-android-x86_64-$VERSION" ;;
+    aarch64-apple-darwin)                   asset="rapidsnark-macOS-arm64-$VERSION" ;;
+    x86_64-apple-darwin)                    asset="rapidsnark-macOS-x86_64-$VERSION" ;;
+    aarch64-apple-ios-sim|x86_64-apple-ios) asset="rapidsnark-iOS-Simulator-$VERSION" ;;
+    aarch64-apple-ios)                      asset="rapidsnark-iOS-$VERSION" ;;
+    *)
+        echo "Unsupported TARGET: $TARGET (no iden3 rapidsnark $VERSION asset mapping)"
+        exit 1
+        ;;
+esac
+
+zip_file="$BUILD_DIR/$asset.zip"
+
+echo "Downloading $asset.zip ..."
+if ! curl -fL -o "$zip_file" "$BASE_URL/$asset.zip"; then
+    echo "Failed to download $BASE_URL/$asset.zip"
+    exit 1
 fi
+
+echo "Unzipping $zip_file ..."
+if ! unzip -o "$zip_file" -d "$BUILD_DIR"; then
+    echo "Failed to unzip $zip_file"
+    exit 1
+fi
+
+# iden3 archives extract to "$asset/{lib,bin,include}".
+# build.rs expects the libraries directly under "$BUILD_DIR/$arch", so flatten the "lib" directory into that location.
+# "bin" and "include" are unused (the FFI signatures are declared in src/lib.rs, no headers are needed).
+dest="$BUILD_DIR/$arch"
+mkdir -p "$dest"
+cp "$BUILD_DIR/$asset/lib/"* "$dest/"
+
+echo "✅ Successfully installed rapidsnark $VERSION ($asset) into $dest"