diff --git a/quasi/Cargo.toml b/quasi/Cargo.toml
index 60f1c5b8..dc3510c4 100644
--- a/quasi/Cargo.toml
+++ b/quasi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "quasi"
-version = "0.3.12"
+version = "0.4.0"
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>"]
 license = "MIT/Apache-2.0"
 description = "A quasi-quoting macro system"
@@ -10,4 +10,4 @@ repository = "https://github.com/erickt/rust-quasi"
 with-syntex = ["syntex_syntax"]
 
 [dependencies]
-syntex_syntax = { version = "^0.25.0", optional = true }
+syntex_syntax = { version = "^0.26.0", optional = true }
diff --git a/quasi_codegen/Cargo.toml b/quasi_codegen/Cargo.toml
index 6312a35e..bd9da6c6 100644
--- a/quasi_codegen/Cargo.toml
+++ b/quasi_codegen/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "quasi_codegen"
-version = "0.3.12"
+version = "0.4.0"
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>"]
 license = "MIT/Apache-2.0"
 description = "A quasi-quoting macro system"
@@ -11,6 +11,6 @@ default = ["with-syntex"]
 with-syntex = ["syntex", "syntex_syntax", "aster/with-syntex"]
 
 [dependencies]
-aster = { version = "^0.9.3", default-features = false }
-syntex = { version = "^0.25.0", optional = true }
-syntex_syntax = { version = "^0.25.0", optional = true }
+aster = { version = "^0.10.0", default-features = false }
+syntex = { version = "^0.26.0", optional = true }
+syntex_syntax = { version = "^0.26.0", optional = true }
diff --git a/quasi_macros/Cargo.toml b/quasi_macros/Cargo.toml
index c7ad2757..2fbba948 100644
--- a/quasi_macros/Cargo.toml
+++ b/quasi_macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "quasi_macros"
-version = "0.3.12"
+version = "0.4.0"
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>"]
 license = "MIT/Apache-2.0"
 description = "A quasi-quoting macro system"
@@ -11,8 +11,8 @@ name = "quasi_macros"
 plugin = true
 
 [dependencies]
-quasi_codegen = { version = "*", path = "../quasi_codegen", default-features = false }
+quasi_codegen = { version = "^0.4.0", path = "../quasi_codegen", default-features = false }
 
 [dev-dependencies]
-aster = "^0.9.3"
+aster = "^0.10.0"
 quasi = { version = "*", path = "../quasi" }
diff --git a/quasi_tests/Cargo.toml b/quasi_tests/Cargo.toml
index 0319ab97..9a130dcc 100644
--- a/quasi_tests/Cargo.toml
+++ b/quasi_tests/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "quasi_tests"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>"]
 license = "MIT/Apache-2.0"
 description = "A quasi-quoting macro system"
@@ -8,11 +8,11 @@ repository = "https://github.com/erickt/rust-quasi"
 build = "build.rs"
 
 [build-dependencies]
-quasi_codegen = { version = "*", path = "../quasi_codegen" }
-syntex = { version = "^0.25.0" }
+quasi_codegen = { path = "../quasi_codegen" }
+syntex = { version = "^0.26.0" }
 
 [dev-dependencies]
-aster = { version = "^0.9.3", features = ["with-syntex"] }
-quasi = { version = "*", path = "../quasi", features = ["with-syntex"] }
-syntex = { version = "^0.25.0" }
-syntex_syntax = { version = "^0.25.0" }
+aster = { version = "^0.10.0", features = ["with-syntex"] }
+quasi = { path = "../quasi", features = ["with-syntex"] }
+syntex = { version = "^0.26.0" }
+syntex_syntax = { version = "^0.26.0" }