diff --git a/Cargo.lock b/Cargo.lock
index 6eb6018c7..0a4f1ada6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -729,9 +729,9 @@ dependencies = [
 
 [[package]]
 name = "instant"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7152d2aed88aa566e7a342250f21ba2222c1ae230ad577499dbfa3c18475b80"
+checksum = "7777a24a1ce5de49fcdde84ec46efa487c3af49d5b6e6e0a50367cc5c1096182"
 
 [[package]]
 name = "is-macro"
@@ -863,8 +863,9 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.3.4"
-source = "git+https://github.com/Amanieu/parking_lot#99aa542b71fcf1e43c1c7d5f993b9e3b35ab4730"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de302ce1fe7482db13738fbaf2e21cfb06a986b89c0bf38d88abf16681aada4e"
 dependencies = [
  "scopeguard",
 ]
@@ -1121,8 +1122,9 @@ checksum = "a86ed3f5f244b372d6b1a00b72ef7f8876d0bc6a78a4c9985c53614041512063"
 
 [[package]]
 name = "parking_lot"
-version = "0.10.2"
-source = "git+https://github.com/Amanieu/parking_lot#99aa542b71fcf1e43c1c7d5f993b9e3b35ab4730"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
 dependencies = [
  "instant",
  "lock_api",
@@ -1131,8 +1133,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.7.2"
-source = "git+https://github.com/Amanieu/parking_lot#99aa542b71fcf1e43c1c7d5f993b9e3b35ab4730"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
 dependencies = [
  "cfg-if",
  "cloudabi 0.1.0",
@@ -1548,7 +1551,7 @@ dependencies = [
 
 [[package]]
 name = "rustpython"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "cfg-if",
  "clap",
@@ -1567,7 +1570,7 @@ dependencies = [
 
 [[package]]
 name = "rustpython-bytecode"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "bincode",
  "bitflags",
@@ -1580,7 +1583,7 @@ dependencies = [
 
 [[package]]
 name = "rustpython-compiler"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "arrayvec 0.5.1",
  "indexmap",
@@ -1593,7 +1596,7 @@ dependencies = [
 
 [[package]]
 name = "rustpython-derive"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "maplit",
  "once_cell",
@@ -1606,7 +1609,7 @@ dependencies = [
 
 [[package]]
 name = "rustpython-parser"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "lalrpop",
  "lalrpop-util",
@@ -1620,7 +1623,7 @@ dependencies = [
 
 [[package]]
 name = "rustpython-vm"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "adler32",
  "arr_macro",
@@ -1710,14 +1713,14 @@ dependencies = [
 
 [[package]]
 name = "rustpython_freeze"
-version = "0.1.0-pre-alpha.2"
+version = "0.1.2"
 dependencies = [
  "rustpython-vm",
 ]
 
 [[package]]
 name = "rustpython_wasm"
-version = "0.1.0-pre-alpha.2"
+version = "0.1.2"
 dependencies = [
  "cfg-if",
  "futures",
@@ -1882,9 +1885,9 @@ checksum = "aa0eec6425219a55511a35afac416a2eecc62f5fa1bec14f9b97de0caa7daebe"
 
 [[package]]
 name = "smallvec"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05720e22615919e4734f6a99ceae50d00226c3c5aca406e102ebc33298214e0a"
+checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
 
 [[package]]
 name = "socket2"
diff --git a/Cargo.toml b/Cargo.toml
index e30c08da7..1a9c175e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rustpython"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["RustPython Team"]
 edition = "2018"
 description = "A python interpreter written in rust."
diff --git a/bytecode/Cargo.toml b/bytecode/Cargo.toml
index e3490e316..289f9fc6a 100644
--- a/bytecode/Cargo.toml
+++ b/bytecode/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rustpython-bytecode"
 description = "RustPython specific bytecode."
-version = "0.1.1"
+version = "0.1.2"
 authors = ["RustPython Team"]
 edition = "2018"
 repository = "https://github.com/RustPython/RustPython"
diff --git a/compiler/Cargo.toml b/compiler/Cargo.toml
index 54eca2474..d968cb119 100644
--- a/compiler/Cargo.toml
+++ b/compiler/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rustpython-compiler"
-version = "0.1.1"
+version = "0.1.2"
 description = "Compiler for python code into bytecode for the rustpython VM."
 authors = ["RustPython Team"]
 repository = "https://github.com/RustPython/RustPython"
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index bbadcc3d9..4d7c6d496 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rustpython-derive"
-version = "0.1.1"
+version = "0.1.2"
 description = "Rust language extensions and macros specific to rustpython."
 authors = ["RustPython Team"]
 repository = "https://github.com/RustPython/RustPython"
diff --git a/examples/freeze/Cargo.toml b/examples/freeze/Cargo.toml
index 514569895..eafbed069 100644
--- a/examples/freeze/Cargo.toml
+++ b/examples/freeze/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rustpython_freeze"
-version = "0.1.0-pre-alpha.2"
+version = "0.1.2"
 authors = ["RustPython Team"]
 license = "MIT"
 description = "A Python-3 (CPython >= 3.5.0) Interpreter written in Rust, compiled to frozen executable"
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 0ec3b0e4e..d4c0c7e7a 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rustpython-parser"
-version = "0.1.1"
+version = "0.1.2"
 description = "Parser for python code."
 authors = [ "RustPython Team" ]
 build = "build.rs"
diff --git a/vm/Cargo.toml b/vm/Cargo.toml
index d8bc737b4..4ba6d0220 100644
--- a/vm/Cargo.toml
+++ b/vm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rustpython-vm"
-version = "0.1.1"
+version = "0.1.2"
 description = "Rust Python virtual machine."
 authors = ["RustPython Team"]
 repository = "https://github.com/RustPython/RustPython"
@@ -71,7 +71,7 @@ smallbox = "0.8"
 bstr = "0.2.12"
 crossbeam-utils = "0.7"
 generational-arena = "0.2"
-parking_lot = { git = "https://github.com/Amanieu/parking_lot" } # TODO: use published version
+parking_lot = "0.11"
 thread_local = "1.0"
 
 ## unicode stuff
diff --git a/wasm/lib/Cargo.toml b/wasm/lib/Cargo.toml
index 677fc5bbc..e9be7798d 100644
--- a/wasm/lib/Cargo.toml
+++ b/wasm/lib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rustpython_wasm"
-version = "0.1.0-pre-alpha.2"
+version = "0.1.2"
 authors = ["RustPython Team"]
 license = "MIT"
 description = "A Python-3 (CPython >= 3.5.0) Interpreter written in Rust, compiled to WASM"