diff --git a/binding.c b/binding.c
index a7b2e76..76471b1 100644
--- a/binding.c
+++ b/binding.c
@@ -3272,14 +3272,14 @@ static napi_value create_sodium_native (napi_env env) {
   SN_EXPORT_STRING(crypto_pwhash_STRPREFIX, crypto_pwhash_STRPREFIX)
   SN_EXPORT_UINT32(crypto_pwhash_OPSLIMIT_MIN, crypto_pwhash_OPSLIMIT_MIN)
   SN_EXPORT_UINT32(crypto_pwhash_OPSLIMIT_MAX, crypto_pwhash_OPSLIMIT_MAX)
-  SN_EXPORT_UINT32(crypto_pwhash_MEMLIMIT_MIN, crypto_pwhash_MEMLIMIT_MIN)
-  SN_EXPORT_UINT32(crypto_pwhash_MEMLIMIT_MAX, crypto_pwhash_MEMLIMIT_MAX)
+  SN_EXPORT_UINT64(crypto_pwhash_MEMLIMIT_MIN, crypto_pwhash_MEMLIMIT_MIN)
+  SN_EXPORT_UINT64(crypto_pwhash_MEMLIMIT_MAX, crypto_pwhash_MEMLIMIT_MAX)
   SN_EXPORT_UINT32(crypto_pwhash_OPSLIMIT_INTERACTIVE, crypto_pwhash_OPSLIMIT_INTERACTIVE)
-  SN_EXPORT_UINT32(crypto_pwhash_MEMLIMIT_INTERACTIVE, crypto_pwhash_MEMLIMIT_INTERACTIVE)
+  SN_EXPORT_UINT64(crypto_pwhash_MEMLIMIT_INTERACTIVE, crypto_pwhash_MEMLIMIT_INTERACTIVE)
   SN_EXPORT_UINT32(crypto_pwhash_OPSLIMIT_MODERATE, crypto_pwhash_OPSLIMIT_MODERATE)
-  SN_EXPORT_UINT32(crypto_pwhash_MEMLIMIT_MODERATE, crypto_pwhash_MEMLIMIT_MODERATE)
+  SN_EXPORT_UINT64(crypto_pwhash_MEMLIMIT_MODERATE, crypto_pwhash_MEMLIMIT_MODERATE)
   SN_EXPORT_UINT32(crypto_pwhash_OPSLIMIT_SENSITIVE, crypto_pwhash_OPSLIMIT_SENSITIVE)
-  SN_EXPORT_UINT32(crypto_pwhash_MEMLIMIT_SENSITIVE, crypto_pwhash_MEMLIMIT_SENSITIVE)
+  SN_EXPORT_UINT64(crypto_pwhash_MEMLIMIT_SENSITIVE, crypto_pwhash_MEMLIMIT_SENSITIVE)
   SN_EXPORT_STRING(crypto_pwhash_PRIMITIVE, crypto_pwhash_PRIMITIVE)
 
   SN_EXPORT_FUNCTION(crypto_pwhash_scryptsalsa208sha256, sn_crypto_pwhash_scryptsalsa208sha256)
@@ -3289,21 +3289,21 @@ static napi_value create_sodium_native (napi_env env) {
   SN_EXPORT_FUNCTION(crypto_pwhash_scryptsalsa208sha256_async, sn_crypto_pwhash_scryptsalsa208sha256_async)
   SN_EXPORT_FUNCTION(crypto_pwhash_scryptsalsa208sha256_str_async, sn_crypto_pwhash_scryptsalsa208sha256_str_async)
   SN_EXPORT_FUNCTION(crypto_pwhash_scryptsalsa208sha256_str_verify_async, sn_crypto_pwhash_scryptsalsa208sha256_str_verify_async)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_BYTES_MIN, crypto_pwhash_scryptsalsa208sha256_BYTES_MIN)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_BYTES_MAX, crypto_pwhash_scryptsalsa208sha256_BYTES_MAX)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_PASSWD_MIN, crypto_pwhash_scryptsalsa208sha256_PASSWD_MIN)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_PASSWD_MAX, crypto_pwhash_scryptsalsa208sha256_PASSWD_MAX)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_SALTBYTES, crypto_pwhash_scryptsalsa208sha256_SALTBYTES)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_STRBYTES, crypto_pwhash_scryptsalsa208sha256_STRBYTES)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_BYTES_MIN, crypto_pwhash_scryptsalsa208sha256_BYTES_MIN)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_BYTES_MAX, crypto_pwhash_scryptsalsa208sha256_BYTES_MAX)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_PASSWD_MIN, crypto_pwhash_scryptsalsa208sha256_PASSWD_MIN)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_PASSWD_MAX, crypto_pwhash_scryptsalsa208sha256_PASSWD_MAX)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_SALTBYTES, crypto_pwhash_scryptsalsa208sha256_SALTBYTES)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_STRBYTES, crypto_pwhash_scryptsalsa208sha256_STRBYTES)
   SN_EXPORT_STRING(crypto_pwhash_scryptsalsa208sha256_STRPREFIX, crypto_pwhash_scryptsalsa208sha256_STRPREFIX)
   SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_MIN, crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_MIN)
   SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_MAX, crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_MAX)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MIN, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MIN)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MAX, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MAX)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MIN, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MIN)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MAX, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_MAX)
   SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE, crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE)
   SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_SENSITIVE, crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_SENSITIVE)
-  SN_EXPORT_UINT32(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_SENSITIVE, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_SENSITIVE)
+  SN_EXPORT_UINT64(crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_SENSITIVE, crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_SENSITIVE)
 
   // crypto_scalarmult