diff --git a/Cargo.toml b/Cargo.toml
index e591a19..22e62e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ default-members = [".", "members/libpt-core"]
 
 [workspace.package]
 publish = true
-version = "0.4.0-alpha.1"
+version = "0.4.0-alpha.2"
 edition = "2021"
 authors = ["Christoph J. Scherr <software@cscherr.de>"]
 license = "MIT"
@@ -28,10 +28,10 @@ categories = [
 [workspace.dependencies]
 anyhow = "1.0.79"
 thiserror = "1.0.56"
-libpt-core = { version = "0.3.12", path = "members/libpt-core" }
-libpt-bintols = { version = "0.3.12", path = "members/libpt-bintols" }
-libpt-log = { version = "0.3.12", path = "members/libpt-log" }
-libpt-py = { version = "0.3.12", path = "members/libpt-py" }
+libpt-core = { version = "0.4.0-alpha.2", path = "members/libpt-core" }
+libpt-bintols = { version = "0.4.0-alpha.2", path = "members/libpt-bintols" }
+libpt-log = { version = "0.4.0-alpha.2", path = "members/libpt-log" }
+libpt-py = { version = "0.4.0-alpha.2", path = "members/libpt-py" }
 
 [package]
 name = "libpt"
diff --git a/members/libpt-bintols/Cargo.toml b/members/libpt-bintols/Cargo.toml
index e40487b..108aace 100644
--- a/members/libpt-bintols/Cargo.toml
+++ b/members/libpt-bintols/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "libpt-bintols"
 publish.workspace = true
-version = "0.3.12"
+version = "0.4.0-alpha.2"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true
diff --git a/members/libpt-core/Cargo.toml b/members/libpt-core/Cargo.toml
index f9cf89b..c99b7c5 100644
--- a/members/libpt-core/Cargo.toml
+++ b/members/libpt-core/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "libpt-core"
 publish.workspace = true
-version = "0.3.12"
+version = "0.4.0-alpha.2"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true
diff --git a/members/libpt-log/Cargo.toml b/members/libpt-log/Cargo.toml
index f71b73a..b031221 100644
--- a/members/libpt-log/Cargo.toml
+++ b/members/libpt-log/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "libpt-log"
 publish.workspace = true
-version = "0.3.12"
+version = "0.4.0-alpha.2"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true