diff --git a/Cargo.lock b/Cargo.lock
index 984b4667..1f21fe3d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1572,7 +1572,7 @@ checksum = "9106e1d747ffd48e6be5bb2d97fa706ed25b144fbee4d5c02eae110cd8d6badd"
 
 [[package]]
 name = "macos-certificate-truster"
-version = "0.9.0"
+version = "0.10.0-dev"
 dependencies = [
  "security-framework",
 ]
@@ -1664,7 +1664,7 @@ dependencies = [
 
 [[package]]
 name = "mitm-wg-test-client"
-version = "0.9.0"
+version = "0.10.0-dev"
 dependencies = [
  "anyhow",
  "boringtun",
@@ -1675,7 +1675,7 @@ dependencies = [
 
 [[package]]
 name = "mitmproxy"
-version = "0.9.0"
+version = "0.10.0-dev"
 dependencies = [
  "anyhow",
  "boringtun",
@@ -1712,7 +1712,7 @@ dependencies = [
 
 [[package]]
 name = "mitmproxy_rs"
-version = "0.9.0"
+version = "0.10.0-dev"
 dependencies = [
  "anyhow",
  "boringtun",
@@ -3120,7 +3120,7 @@ dependencies = [
 
 [[package]]
 name = "windows-redirector"
-version = "0.9.0"
+version = "0.10.0-dev"
 dependencies = [
  "anyhow",
  "env_logger",
diff --git a/Cargo.toml b/Cargo.toml
index 5dcf2cd2..d1506252 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ authors = [
     "Fabio Valentini <decathorpe@gmail.com>",
     "Maximilian Hils <cargo@maximilianhils.com>",
 ]
-version = "0.9.0"
+version = "0.10.0-dev"
 publish = false
 repository = "https://github.com/mitmproxy/mitmproxy-rs"
 edition = "2021"