diff --git a/crypto/test-vectors/dump-test-vectors.sh b/crypto/test-vectors/dump-test-vectors.sh
index dec202e4..a3c8c832 100755
--- a/crypto/test-vectors/dump-test-vectors.sh
+++ b/crypto/test-vectors/dump-test-vectors.sh
@@ -2,9 +2,12 @@
 
 set -e
 
+#Allows nix to provide the binary from a derivation
+EXPORT_TEST_VECTORS=${EXPORT_TEST_VECTORS:="cargo run -p export_test_vectors --"}
+
 pushd ../../../mina/src/lib/crypto/proof-systems/poseidon/export_test_vectors
-  cargo run -p export_test_vectors -- hex kimchi ../../../../../../../bindings/crypto/test-vectors/testVectors.json
-  cargo run -p export_test_vectors -- hex legacy ../../../../../../../bindings/crypto/test-vectors/testVectorsLegacy.json
+  $EXPORT_TEST_VECTORS hex kimchi ../../../../../../../bindings/crypto/test-vectors/testVectors.json
+  $EXPORT_TEST_VECTORS hex legacy ../../../../../../../bindings/crypto/test-vectors/testVectorsLegacy.json
 popd
 
 echo "// @gen this file is generated - don't edit it directly" > $1 
diff --git a/scripts/update-o1js-bindings.sh b/scripts/update-o1js-bindings.sh
index a5776eda..d2349ddc 100755
--- a/scripts/update-o1js-bindings.sh
+++ b/scripts/update-o1js-bindings.sh
@@ -13,6 +13,7 @@ WEB_BINDINGS="src/bindings/compiled/web_bindings"
 # 1. node build
 
 $DIR_PATH/build-o1js-node-artifacts.sh
+cp src/bindings/compiled/_node_bindings/plonk_wasm.d.cts $NODE_BINDINGS/plonk_wasm.d.cts
 node src/build/copy-to-dist.js
 
 chmod -R 777 "$NODE_BINDINGS"
@@ -24,17 +25,40 @@ cp "$BINDINGS_PATH"/plonk_wasm* "$NODE_BINDINGS"/
 
 sed -i 's/plonk_wasm.js/plonk_wasm.cjs/' "$NODE_BINDINGS"/o1js_node.bc.cjs
 
-npm run build
+if [ -z $JUST_BINDINGS ]
+then
+  npm run build
+fi
 
 # 2. web build
 
-cp "$BUILD_PATH/o1js_node.bc.map" "_build/o1js_node.bc.map"
-dune b $DUNE_PATH/o1js_web.bc.js
-cp "_build/o1js_node.bc.map" "$BUILD_PATH/o1js_node.bc.map"
-
-cp _build/default/$KIMCHI_BINDINGS/js/web/plonk_wasm* $WEB_BINDINGS/
-cp $BUILD_PATH/o1js_web*.js $WEB_BINDINGS/
-chmod -R 666 "$WEB_BINDINGS"/*
+# Normally these variables are not defined
+# But the nix build uses them
+if [ -z $PREBUILT_KIMCHI_BINDINGS_JS_WEB ] || [ -z $PREBUILT_KIMCHI_BINDINGS_JS_NODE_JS ]
+then
+  cp "$BUILD_PATH/o1js_node.bc.map" "_build/o1js_node.bc.map"
+  dune b $DUNE_PATH/o1js_web.bc.js
+  cp "_build/o1js_node.bc.map" "$BUILD_PATH/o1js_node.bc.map"
+
+  cp _build/default/$KIMCHI_BINDINGS/js/web/plonk_wasm* $WEB_BINDINGS/
+  cp $BUILD_PATH/o1js_web*.js $WEB_BINDINGS/
+  chmod -R 666 "$WEB_BINDINGS"/*
+else
+  mkdir -p $WEB_BINDINGS
+  cp $PREBUILT_KIMCHI_BINDINGS_JS_WEB/*.js \
+     $PREBUILT_KIMCHI_BINDINGS_JS_WEB/*.ts \
+     $PREBUILT_KIMCHI_BINDINGS_JS_WEB/*.wasm \
+     $WEB_BINDINGS
+  mkdir -p $NODE_BINDINGS
+  cp $PREBUILT_KIMCHI_BINDINGS_JS_NODE_JS/*.js \
+     $PREBUILT_KIMCHI_BINDINGS_JS_NODE_JS/*.ts \
+     $PREBUILT_KIMCHI_BINDINGS_JS_NODE_JS/*.wasm \
+     $NODE_BINDINGS
+  rm $NODE_BINDINGS/plonk_wasm.js \
+     $NODE_BINDINGS/plonk_wasm.d.ts
+  dune b $DUNE_PATH/o1js_web.bc.js
+  cp $BUILD_PATH/o1js_web*.js $WEB_BINDINGS/
+fi
 
 # better error messages
 # `s` is the jsoo representation of the error message string, and `s.c` is the actual JS string
@@ -51,12 +75,16 @@ pushd $WEB_BINDINGS
   mv o1js_web.bc.min.js o1js_web.bc.js
 popd
 
-npm run build:web
+if [ -z $JUST_BINDINGS ]
+then
+  npm run build:web
+fi
 
 # 3. update MINA_COMMIT file in o1js
 
-pushd "$MINA_PATH"
-  MINA_COMMIT=$(git rev-parse HEAD)
-popd
+if [ -z $SKIP_MINA_COMMIT ]
+then
+MINA_COMMIT=$(git -C src/mina rev-parse HEAD)
 echo "The mina commit used to generate the backends for node and web is" "$MINA_COMMIT" \
   > src/bindings/MINA_COMMIT
+fi