diff --git a/codegen/Cargo.toml b/codegen/Cargo.toml
index 58da93ff..8a35f54e 100644
--- a/codegen/Cargo.toml
+++ b/codegen/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rocket_codegen"
-version = "0.0.8"
+version = "0.0.9"
 authors = ["Sergio Benitez <sb@sergio.bz>"]
 
 [lib]
@@ -8,8 +8,7 @@ plugin = true
 
 [dependencies]
 rocket = { path = "../lib/" }
-log = "*"
-env_logger = "*"
+log = "^0.3"
 
 [dev-dependencies]
-compiletest_rs = "*"
+compiletest_rs = "^0.2"
diff --git a/contrib/Cargo.toml b/contrib/Cargo.toml
index 5a72f110..fff8f469 100644
--- a/contrib/Cargo.toml
+++ b/contrib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rocket_contrib"
-version = "0.0.8"
+version = "0.0.9"
 authors = ["Sergio Benitez <sb@sergio.bz>"]
 
 [features]
@@ -15,16 +15,16 @@ lazy_static_macro = ["lazy_static"]
 
 [dependencies]
 rocket = { path = "../lib/" }
-log = "*"
+log = "^0.3"
 
 # JSON and templating dependencies.
-serde = { version = "*", optional = true }
-serde_json = { version = "*", optional = true }
+serde = { version = "^0.8", optional = true }
+serde_json = { version = "^0.8", optional = true }
 
 # Templating dependencies only.
-handlebars = { version = "*", optional = true, features = ["serde_type"] }
-glob = { version = "*", optional = true }
-lazy_static = { version = "*", optional = true }
+handlebars = { version = "^0.21", optional = true, features = ["serde_type"] }
+glob = { version = "^0.2", optional = true }
+lazy_static = { version = "^0.2", optional = true }
 
 # Tera dependency
 [dependencies.tera]
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index bde1fb97..a9c4e142 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -1,11 +1,11 @@
 [package]
 name = "rocket"
-version = "0.0.8"
+version = "0.0.9"
 authors = ["Sergio Benitez <sb@sergio.bz>"]
 
 [dependencies]
-term-painter = "*"
-log = "*"
-hyper = "*"
-url = "*"
-mime = "*"
+term-painter = "^0.2"
+log = "^0.3"
+hyper = { version = "^0.9", default-features = false }
+url = "^1"
+mime = "^0.2"