diff --git a/Cargo.lock b/Cargo.lock
index 2c7f0cf..e9cb512 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -21,7 +21,7 @@ checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
 [[package]]
 name = "erl_nif"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "erl_nif_macro",
  "erl_nif_sys",
@@ -31,7 +31,7 @@ dependencies = [
 
 [[package]]
 name = "erl_nif_macro"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -41,7 +41,7 @@ dependencies = [
 
 [[package]]
 name = "erl_nif_sys"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "erl_nif_macro",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 154b510..950a767 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ license = "MIT"
 name = "erl_nif"
 publish = true
 repository = "https://github.com/tangramxyz/erl_nif"
-version = "0.1.0"
+version = "0.2.0"
 
 [lib]
 path = "lib.rs"
@@ -25,7 +25,7 @@ default = []
 serde_1 = ["serde"]
 
 [dependencies]
-erl_nif_macro = { version = "0.1", path = "macro" }
-erl_nif_sys = { version = "0.1", path = "sys" }
+erl_nif_macro = { version = "0.2", path = "macro" }
+erl_nif_sys = { version = "0.2", path = "sys" }
 num = "0.4"
 serde = { version = "1", optional = true }
diff --git a/macro/Cargo.toml b/macro/Cargo.toml
index 203fe27..618735d 100644
--- a/macro/Cargo.toml
+++ b/macro/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT"
 name = "erl_nif_macro"
 publish = true
 repository = "https://github.com/tangramxyz/erl_nif"
-version = "0.1.0"
+version = "0.2.0"
 
 [lib]
 path = "lib.rs"
diff --git a/sys/Cargo.toml b/sys/Cargo.toml
index 36e59d1..e88b019 100644
--- a/sys/Cargo.toml
+++ b/sys/Cargo.toml
@@ -8,10 +8,10 @@ license = "MIT"
 name = "erl_nif_sys"
 publish = true
 repository = "https://github.com/tangramxyz/erl_nif"
-version = "0.1.0"
+version = "0.2.0"
 
 [lib]
 path = "lib.rs"
 
 [dependencies]
-erl_nif_macro = { version = "0.1.0", path = "../macro" }
+erl_nif_macro = { version = "0.2", path = "../macro" }