diff --git a/Cargo.lock b/Cargo.lock
index 5968213..a8c2b4c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -774,7 +774,7 @@ checksum = "96c51067fd44124faa7f870b4b1c969379ad32b2ba805aa959430ceaa384f695"
 
 [[package]]
 name = "cdn-broker"
-version = "0.1.0"
+version = "0.4.0"
 dependencies = [
  "async-std",
  "cdn-proto",
@@ -799,7 +799,7 @@ dependencies = [
 
 [[package]]
 name = "cdn-client"
-version = "0.1.0"
+version = "0.4.0"
 dependencies = [
  "async-std",
  "cdn-proto",
@@ -813,7 +813,7 @@ dependencies = [
 
 [[package]]
 name = "cdn-marshal"
-version = "0.1.0"
+version = "0.4.0"
 dependencies = [
  "async-std",
  "cdn-proto",
@@ -826,7 +826,7 @@ dependencies = [
 
 [[package]]
 name = "cdn-proto"
-version = "0.1.0"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "ark-serialize",
@@ -3732,7 +3732,7 @@ dependencies = [
 
 [[package]]
 name = "tests"
-version = "0.1.0"
+version = "0.4.0"
 dependencies = [
  "cdn-broker",
  "cdn-client",
diff --git a/cdn-broker/Cargo.toml b/cdn-broker/Cargo.toml
index adaf8f9..06281b1 100644
--- a/cdn-broker/Cargo.toml
+++ b/cdn-broker/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cdn-broker"
-version = "0.1.0"
+version = "0.4.0"
 edition = "2021"
 
 description = "Defines the broker server, which is responsible for routing messages from clients"
diff --git a/cdn-client/Cargo.toml b/cdn-client/Cargo.toml
index a01c23d..5afab6c 100644
--- a/cdn-client/Cargo.toml
+++ b/cdn-client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cdn-client"
-version = "0.1.0"
+version = "0.4.0"
 edition = "2021"
 
 description = "Defines client interactions for both marshals and brokers"
diff --git a/cdn-marshal/Cargo.toml b/cdn-marshal/Cargo.toml
index 243a20d..7e4473b 100644
--- a/cdn-marshal/Cargo.toml
+++ b/cdn-marshal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cdn-marshal"
-version = "0.1.0"
+version = "0.4.0"
 edition = "2021"
 
 description = "Contains the server implementation for the marshal, which issues permits and manages connections to brokers"
diff --git a/cdn-proto/Cargo.toml b/cdn-proto/Cargo.toml
index bc95460..f37e213 100644
--- a/cdn-proto/Cargo.toml
+++ b/cdn-proto/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cdn-proto"
-version = "0.1.0"
+version = "0.4.0"
 edition = "2021"
 description = "Contains the common protocol definition and common code for the broker, client, and marshal"
 
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 10392c4..dd51fbf 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tests"
-version = "0.1.0"
+version = "0.4.0"
 edition = "2021"
 description.workspace = true