diff --git a/Cargo.lock b/Cargo.lock
index 911b53a7..25787c2d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1153,7 +1153,7 @@ checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
 [[package]]
 name = "isopy"
-version = "0.3.25"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -1188,7 +1188,7 @@ dependencies = [
 
 [[package]]
 name = "isopy-lib"
-version = "0.3.25"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -1203,7 +1203,7 @@ dependencies = [
 
 [[package]]
 name = "isopy-python"
-version = "0.3.25"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/isopy-lib/Cargo.toml b/isopy-lib/Cargo.toml
index 5cd253aa..0c0d162a 100644
--- a/isopy-lib/Cargo.toml
+++ b/isopy-lib/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT"
 name = "isopy-lib"
 readme = "../README.md"
 repository = "https://github.com/rcook/isopy.git"
-version = "0.3.25"
+version = "0.4.0"
 
 [dependencies]
 anyhow = "1.0.86"
diff --git a/isopy-python/Cargo.toml b/isopy-python/Cargo.toml
index 34d4c0be..2b74761e 100644
--- a/isopy-python/Cargo.toml
+++ b/isopy-python/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT"
 name = "isopy-python"
 readme = "../README.md"
 repository = "https://github.com/rcook/isopy.git"
-version = "0.3.25"
+version = "0.4.0"
 
 [dependencies]
 anyhow = "1.0.86"
diff --git a/isopy/Cargo.toml b/isopy/Cargo.toml
index a708a152..2735b894 100644
--- a/isopy/Cargo.toml
+++ b/isopy/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT"
 name = "isopy"
 readme = "README.md"
 repository = "https://github.com/rcook/isopy.git"
-version = "0.3.25"
+version = "0.4.0"
 
 [dependencies]
 anyhow = { version = "1.0.86", features = ["backtrace"] }