diff --git a/Cargo.lock b/Cargo.lock
index ca10a17..a9cd525 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -52,9 +52,9 @@ checksum = "9d6f2aa4d0537bcc1c74df8755072bd31c1ef1a3a1b85a68e8404a8c353b7b8b"
 
 [[package]]
 name = "cosmwasm-crypto"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ec9bdd1f4da5fc0d085251b0322661c5aaf773ab299e3e205fb18130b7f6ba3"
+checksum = "3703ca1b98c8d890b82c3978f3c5bd47116f8767340dfaa4fd9bdcaa15ebcc64"
 dependencies = [
  "digest",
  "ed25519-zebra",
@@ -65,18 +65,18 @@ dependencies = [
 
 [[package]]
 name = "cosmwasm-derive"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ac17a14b4ab09a5d89b5301218067acca33d9311376e5c34c9877f09e562395"
+checksum = "c04f4923c080df70b04ff3e0680c92e3b8357f3b125ed65ce4bd4aa1f522c06f"
 dependencies = [
  "syn",
 ]
 
 [[package]]
 name = "cosmwasm-std"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e47306c113f4d964c35a74a87ceb8ccfb5811e9810a9dc427101148b5b9134ca"
+checksum = "c80dbbb380c23a4f10ae6178dd411ed90c9f9931ddf4932156cc5e5ab78d1c19"
 dependencies = [
  "base64",
  "cosmwasm-crypto",
@@ -140,7 +140,7 @@ dependencies = [
 
 [[package]]
 name = "cw-asset"
-version = "0.3.5"
+version = "1.0.0"
 dependencies = [
  "astroport",
  "cosmwasm-std",
@@ -286,9 +286,9 @@ dependencies = [
 
 [[package]]
 name = "generic-array"
-version = "0.14.4"
+version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
+checksum = "fd48d33ec7f05fbfa152300fdad764757cbded343c1aa1cff2fbaf4134851803"
 dependencies = [
  "typenum",
  "version_check",
@@ -307,9 +307,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
+checksum = "418d37c8b1d42553c93648be529cb70f920d3baf8ef469b74b9638df426e0b4c"
 dependencies = [
  "cfg-if",
  "libc",
@@ -363,9 +363,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "e74d72e0f9b65b5b4ca49a346af3976df0f9c61d550727f349ecd559f251a26c"
 
 [[package]]
 name = "opaque-debug"
@@ -385,18 +385,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.34"
+version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f84e92c0f7c9d58328b85a78557813e4bd845130db68d7184635344399423b1"
+checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
 dependencies = [
  "unicode-xid",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.10"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38bc8cc6a5f2e3655e0899c1b848643b2562f853f114bfec7be120678e3ace05"
+checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
 dependencies = [
  "proc-macro2",
 ]
@@ -416,7 +416,7 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
- "getrandom 0.2.3",
+ "getrandom 0.2.4",
 ]
 
 [[package]]
@@ -451,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.132"
+version = "1.0.136"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b9875c23cf305cd1fd7eb77234cbb705f21ea6a72c637a5c6db5fe4b8e7f008"
+checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
 dependencies = [
  "serde_derive",
 ]
@@ -469,9 +469,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.132"
+version = "1.0.136"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecc0db5cb2556c0e558887d9bbdcf6ac4471e83ff66cf696e5419024d1606276"
+checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -491,9 +491,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.73"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcbd0344bc6533bc7ec56df11d42fb70f1b912351c0825ccb7211b59d8af7cf5"
+checksum = "d23c1ba4cf0efd44be32017709280b32d1cea5c3f1275c3b6d9e8bc54f758085"
 dependencies = [
  "itoa",
  "ryu",
@@ -502,9 +502,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.9.8"
+version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b69f9a4c9740d74c5baa3fd2e547f9525fa8088a8a958e0ca2409a514e33f5fa"
+checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
 dependencies = [
  "block-buffer",
  "cfg-if",
@@ -546,9 +546,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.83"
+version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23a1dfb999630e338648c83e91c59a4e9fb7620f520c3194b6b89e276f2f1959"
+checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -588,15 +588,15 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.14.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b63708a265f51345575b27fe43f9500ad611579e764c79edbc2037b1121959ec"
+checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 
 [[package]]
 name = "uint"
-version = "0.9.1"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6470ab50f482bde894a037a57064480a246dbfdd5960bd65a44824693f08da5f"
+checksum = "12f03af7ccf01dd611cc450a0d10dbc9b745770d096473e2faf0ca6e2d66d1e0"
 dependencies = [
  "byteorder",
  "crunchy",
@@ -612,9 +612,9 @@ checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
 [[package]]
 name = "version_check"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wasi"
diff --git a/Cargo.toml b/Cargo.toml
index 1a1615e..7e8841b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cw-asset"
 description = "Helper library for interacting with Cosmos assets (SDK coins and CW20 tokens)"
-version = "0.3.5"
+version = "1.0.0"
 authors = ["larry <larry@delphidigital.io>"]
 edition = "2018"
 license = "GPL-3.0-or-later"
@@ -13,8 +13,8 @@ repository = "https://github.com/mars-protocol/cw-asset"
 legacy = ["astroport"]
 
 [dependencies]
-cosmwasm-std = "0.16.0"
-cw20 = "0.9.1"
+cosmwasm-std = "^0.16"
+cw20 = "^0.9"
 schemars = "0.8.1"
 serde = { version = "1.0.103", default-features = false, features = ["derive"] }