diff --git a/.gitignore b/.gitignore
index 65cd95c..2360bee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,4 @@ src/circuit_tests/artifacts/*
 !src/circuit_tests/artifacts/.keep
 codex_storage_proofs
 test/tffi
+node_modules
diff --git a/build.nims b/build.nims
index f86fd33..7da60f4 100644
--- a/build.nims
+++ b/build.nims
@@ -4,6 +4,7 @@ task genffi, "update the nim ffi bindings":
   exec "nbindgen --crate codex-storage-proofs --output codex_proofs_ffi.nim"
 
 task compileCircuits, "compile test circuits":
+  exec "npm i"
   exec "circom src/circuit_tests/poseidon-digest-test.circom --r1cs --wasm -o src/circuit_tests/artifacts"
   exec "circom src/circuit_tests/poseidon-hash-test.circom --r1cs --wasm -o src/circuit_tests/artifacts"
   exec "circom src/circuit_tests/storer-test.circom --r1cs --wasm -o src/circuit_tests/artifacts"