diff --git a/neqo-client/Cargo.toml b/neqo-client/Cargo.toml
index 722167e57e..efcf4641ae 100644
--- a/neqo-client/Cargo.toml
+++ b/neqo-client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-client"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Martin Thomson <mt@lowentropy.net>",
 	"Dragana Damjanovic <dragana.damjano@gmail.com>",
 	"Andy Grover <agrover@mozilla.com>"]
diff --git a/neqo-common/Cargo.toml b/neqo-common/Cargo.toml
index f85e6609fc..699c799b44 100644
--- a/neqo-common/Cargo.toml
+++ b/neqo-common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-common"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Bobby Holley <bobbyholley@gmail.com>"]
 edition = "2018"
 rust-version = "1.57.0"
diff --git a/neqo-crypto/Cargo.toml b/neqo-crypto/Cargo.toml
index 6de1db239a..2748d3ce90 100644
--- a/neqo-crypto/Cargo.toml
+++ b/neqo-crypto/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-crypto"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Martin Thomson <mt@lowentropy.net>"]
 edition = "2018"
 rust-version = "1.57.0"
diff --git a/neqo-http3/Cargo.toml b/neqo-http3/Cargo.toml
index 294d0c5c25..25b787d850 100644
--- a/neqo-http3/Cargo.toml
+++ b/neqo-http3/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-http3"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Dragana Damjanovic <dragana.damjano@gmail.com>"]
 edition = "2018"
 rust-version = "1.57.0"
diff --git a/neqo-interop/Cargo.toml b/neqo-interop/Cargo.toml
index 6c37e7603b..b169529d72 100644
--- a/neqo-interop/Cargo.toml
+++ b/neqo-interop/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-interop"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["EKR <ekr@rtfm.com>"]
 edition = "2018"
 rust-version = "1.57.0"
diff --git a/neqo-qpack/Cargo.toml b/neqo-qpack/Cargo.toml
index daa1bf8029..d3bf971145 100644
--- a/neqo-qpack/Cargo.toml
+++ b/neqo-qpack/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-qpack"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Dragana Damjanovic <dragana.damjano@gmail.com>"]
 edition = "2018"
 rust-version = "1.57.0"
diff --git a/neqo-server/Cargo.toml b/neqo-server/Cargo.toml
index 99d32ed952..52435af0bf 100644
--- a/neqo-server/Cargo.toml
+++ b/neqo-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-server"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Dragana Damjanovic <dragana.damjano@gmail.com>"]
 edition = "2018"
 rust-version = "1.57.0"
diff --git a/neqo-transport/Cargo.toml b/neqo-transport/Cargo.toml
index 93ef93fa87..741223f8a2 100644
--- a/neqo-transport/Cargo.toml
+++ b/neqo-transport/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "neqo-transport"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["EKR <ekr@rtfm.com>", "Andy Grover <agrover@mozilla.com>"]
 edition = "2018"
 rust-version = "1.57.0"
diff --git a/test-fixture/Cargo.toml b/test-fixture/Cargo.toml
index 2c1e4dbf3d..4845e5f481 100644
--- a/test-fixture/Cargo.toml
+++ b/test-fixture/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test-fixture"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Martin Thomson <mt@lowentropy.net>"]
 edition = "2018"
 rust-version = "1.57.0"