--- a/rust/hg-cpython/Cargo.toml	Sun Oct 13 17:02:26 2019 +0900
+++ b/rust/hg-cpython/Cargo.toml	Sun Oct 13 17:05:09 2019 +0900
@@ -23,13 +23,13 @@
 libc = '*'
 
 [dependencies.cpython]
-version = "*"
+version = "0.3"
 default-features = false
 
 [dependencies.python27-sys]
-version = "0.2.1"
+version = "0.3"
 optional = true
 
 [dependencies.python3-sys]
-version = "0.2.1"
+version = "0.3"
 optional = true