diff --git a/bdk-ffi b/bdk-ffi
index a8ff523..f527d0a 160000
--- a/bdk-ffi
+++ b/bdk-ffi
@@ -1 +1 @@
-Subproject commit a8ff523698121a283b54493624db37f4268e3e6b
+Subproject commit f527d0aa7cb6489c2a33773ef2d72ce8c85a62c6
diff --git a/scripts/build-linux-x86_64.sh b/scripts/build-linux-x86_64.sh
index 72238c3..306c643 100644
--- a/scripts/build-linux-x86_64.sh
+++ b/scripts/build-linux-x86_64.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -euo pipefail
 
 COMPILATION_TARGET="x86_64-unknown-linux-gnu"
 TARGET_DIR="target/x86_64-unknown-linux-gnu/release-smaller"
@@ -6,7 +7,7 @@ RESOURCE_DIR="resources/linux-x86-64"
 LIB_NAME="libbdkffi.so"
 
 printf "\nSubmodule check...\n"
-if [[ "$1" != "--skip-submodule-update" ]]; then
+if [[ "${1:-}" != "--skip-submodule-update" ]]; then
   git submodule update --init
   printf "Submodule is checked out at commit: $(git submodule status)\n\n"
 else
@@ -19,7 +20,7 @@ cd ./bdk-ffi/bdk-ffi/ || exit
 
 # Build the Rust library
 rustup target add $COMPILATION_TARGET
-cargo build --profile release-smaller --target $COMPILATION_TARGET
+cargo build --locked --profile release-smaller --target $COMPILATION_TARGET
 
 # Generate Kotlin bindings using uniffi-bindgen
 cargo run --bin uniffi-bindgen generate --library ./$TARGET_DIR/$LIB_NAME --language kotlin --out-dir ../../lib/src/main/kotlin/ --no-format
diff --git a/scripts/build-macos-aarch64.sh b/scripts/build-macos-aarch64.sh
index 8e0443a..389b376 100644
--- a/scripts/build-macos-aarch64.sh
+++ b/scripts/build-macos-aarch64.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -euo pipefail
 
 COMPILATION_TARGET="aarch64-apple-darwin"
 TARGET_DIR="target/$COMPILATION_TARGET/release-smaller"
@@ -6,7 +7,7 @@ RESOURCE_DIR="resources/darwin-aarch64"
 LIB_NAME="libbdkffi.dylib"
 
 printf "\nSubmodule check...\n"
-if [[ "$1" != "--skip-submodule-update" ]]; then
+if [[ "${1:-}" != "--skip-submodule-update" ]]; then
   git submodule update --init
   printf "Submodule is checked out at commit: $(git submodule status)\n\n"
 else
@@ -19,7 +20,7 @@ cd ./bdk-ffi/bdk-ffi/ || exit
 
 # Build the Rust library
 rustup target add $COMPILATION_TARGET
-cargo build --profile release-smaller --target $COMPILATION_TARGET
+cargo build --locked --profile release-smaller --target $COMPILATION_TARGET
 
 # Generate Kotlin bindings using uniffi-bindgen
 cargo run --bin uniffi-bindgen generate --library ./$TARGET_DIR/$LIB_NAME --language kotlin --out-dir ../../lib/src/main/kotlin/ --no-format
diff --git a/scripts/build-macos-x86_64.sh b/scripts/build-macos-x86_64.sh
index 8727830..40e06e9 100644
--- a/scripts/build-macos-x86_64.sh
+++ b/scripts/build-macos-x86_64.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -euo pipefail
 
 COMPILATION_TARGET="x86_64-apple-darwin"
 TARGET_DIR="target/x86_64-apple-darwin/release-smaller"
@@ -6,7 +7,7 @@ RESOURCE_DIR="resources/darwin-x86-64"
 LIB_NAME="libbdkffi.dylib"
 
 printf "\nSubmodule check...\n"
-if [[ "$1" != "--skip-submodule-update" ]]; then
+if [[ "${1:-}" != "--skip-submodule-update" ]]; then
   git submodule update --init
   printf "Submodule is checked out at commit: $(git submodule status)\n\n"
 else
@@ -19,7 +20,7 @@ cd ./bdk-ffi/bdk-ffi/ || exit
 
 # Build the Rust library
 rustup target add $COMPILATION_TARGET
-cargo build --profile release-smaller --target $COMPILATION_TARGET
+cargo build --locked --profile release-smaller --target $COMPILATION_TARGET
 
 # Generate Kotlin bindings using uniffi-bindgen
 cargo run --bin uniffi-bindgen generate --library ./$TARGET_DIR/$LIB_NAME --language kotlin --out-dir ../../lib/src/main/kotlin/ --no-format
diff --git a/scripts/build-windows-x86_64.sh b/scripts/build-windows-x86_64.sh
index 5d5a5c3..b2b6072 100644
--- a/scripts/build-windows-x86_64.sh
+++ b/scripts/build-windows-x86_64.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -euo pipefail
 
 COMPILATION_TARGET="x86_64-pc-windows-msvc"
 TARGET_DIR="target/x86_64-pc-windows-msvc/release-smaller"
@@ -6,7 +7,7 @@ RESOURCE_DIR="resources/win32-x86-64"
 LIB_NAME="bdkffi.dll"
 
 printf "\nSubmodule check...\n"
-if [[ "$1" != "--skip-submodule-update" ]]; then
+if [[ "${1:-}" != "--skip-submodule-update" ]]; then
   git submodule update --init
   printf "Submodule is checked out at commit: $(git submodule status)\n\n"
 else
@@ -19,7 +20,7 @@ cd ./bdk-ffi/bdk-ffi/ || exit
 
 # Build the Rust library
 rustup target add $COMPILATION_TARGET
-cargo build --profile release-smaller --target $COMPILATION_TARGET
+cargo build --locked --profile release-smaller --target $COMPILATION_TARGET
 
 # Generate Kotlin bindings using uniffi-bindgen
 cargo run --bin uniffi-bindgen generate --library ./$TARGET_DIR/$LIB_NAME --language kotlin --out-dir ../../lib/src/main/kotlin/ --no-format