diff --git a/Cargo.lock b/Cargo.lock
index d1a390cd..3fdf60cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1046,7 +1046,7 @@ dependencies = [
 
 [[package]]
 name = "py-spy"
-version = "0.3.14"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index c670e982..c0e6c946 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ unwind = []
 
 [package]
 name = "py-spy"
-version = "0.3.14"
+version = "0.4.0"
 authors = ["Ben Frederickson <github@benfrederickson.com>"]
 repository = "https://github.com/benfred/py-spy"
 homepage = "https://github.com/benfred/py-spy"
diff --git a/setup.cfg b/setup.cfg
index f57ac93a..58806fe8 100755
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.14
+current_version = 0.4.0
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)((?P<release>(a|b|rc|\.dev)\d+))?