diff --git a/Cargo.lock b/Cargo.lock
index 23eec91eb4..2d2890b25b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -602,7 +602,7 @@ dependencies = [
 
 [[package]]
 name = "fe"
-version = "0.0.1"
+version = "0.1.0-alpha"
 dependencies = [
  "cargo-release",
  "clap",
@@ -612,7 +612,7 @@ dependencies = [
 
 [[package]]
 name = "fe-compiler"
-version = "0.0.1"
+version = "0.1.0-alpha"
 dependencies = [
  "ethabi",
  "evm",
@@ -633,7 +633,7 @@ dependencies = [
 
 [[package]]
 name = "fe-parser"
-version = "0.0.1"
+version = "0.1.0-alpha"
 dependencies = [
  "difference",
  "regex",
@@ -646,7 +646,7 @@ dependencies = [
 
 [[package]]
 name = "fe-semantics"
-version = "0.0.1"
+version = "0.1.0-alpha"
 dependencies = [
  "ansi_term 0.12.1",
  "fe-parser",
diff --git a/Cargo.toml b/Cargo.toml
index 171db1fbce..4a7f1e922d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fe"
-version = "0.0.1"
+version = "0.1.0-alpha"
 authors = ["David Sanders <david@ethereum.org>"]
 edition = "2018"
 license = "Apache-2.0"
@@ -17,8 +17,8 @@ members = [".", "parser", "compiler"]
 solc-backend = ["fe-compiler/solc-backend"]
 
 [dependencies]
-fe-parser = {path = "parser", version = "0.0.1"}
-fe-compiler = {path = "compiler", version = "0.0.1"}
+fe-parser = {path = "parser", version = "^0.1.0-alpha"}
+fe-compiler = {path = "compiler", version = "^0.1.0-alpha"}
 clap = "2.33.3"
 
 [dev-dependencies]
diff --git a/compiler/Cargo.toml b/compiler/Cargo.toml
index a81cf7f2ed..b5a489393b 100644
--- a/compiler/Cargo.toml
+++ b/compiler/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fe-compiler"
-version = "0.0.1"
+version = "0.1.0-alpha"
 authors = ["Grant Wuerker <gwuerker@gmail.com>"]
 edition = "2018"
 license = "Apache-2.0"
@@ -12,8 +12,8 @@ description = "Compiler lib for the Fe language."
 solc-backend = ["solc"]
 
 [dependencies]
-fe-parser = {path = "../parser", version = "0.0.1"}
-fe-semantics = {path = "../semantics", version = "0.0.1"}
+fe-parser = {path = "../parser", version = "^0.1.0-alpha"}
+fe-semantics = {path = "../semantics", version = "^0.1.0-alpha"}
 serde_json = "1.0"
 serde = "1.0"
 hex = "0.4"
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index a1cf7a0fba..4e538c2dd3 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fe-parser"
-version = "0.0.1"
+version = "0.1.0-alpha"
 authors = ["David Sanders <david@ethereum.org>"]
 edition = "2018"
 license = "Apache-2.0"
diff --git a/semantics/Cargo.toml b/semantics/Cargo.toml
index 5886672bdb..45faad2b07 100644
--- a/semantics/Cargo.toml
+++ b/semantics/Cargo.toml
@@ -1,13 +1,13 @@
 [package]
 name = "fe-semantics"
-version = "0.0.1"
+version = "0.1.0-alpha"
 authors = ["Ethereum Foundation <snakecharmers@ethereum.org>"]
 edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-fe-parser = {path = "../parser", version = "0.0.1"}
+fe-parser = {path = "../parser", version = "^0.1.0-alpha"}
 rstest = "0.6.4"
 tiny-keccak = { version = "2.0", features = ["keccak"] }
 hex = "0.4"