diff --git a/.github/workflows/cargo.yaml b/.github/workflows/cargo.yaml
index 8a1a394..541a626 100644
--- a/.github/workflows/cargo.yaml
+++ b/.github/workflows/cargo.yaml
@@ -38,7 +38,9 @@ jobs:
       - name: cargo fmt
         run: cargo fmt --all
       - name: install python
-        run: apt update && apt install libpython3-dev -y
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
       - name: cargo test
         run: cargo test --all-features --all-targets --workspace
       - name: commit back to repository
diff --git a/Cargo.toml b/Cargo.toml
index a221262..bc3dc60 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ default-members = [".", "members/libpt-core"]
 
 [workspace.package]
 publish = true
-version = "0.4.0"
+version = "0.4.2"
 edition = "2021"
 authors = ["Christoph J. Scherr <software@cscherr.de>"]
 license = "MIT"
@@ -28,10 +28,9 @@ categories = [
 [workspace.dependencies]
 anyhow = "1.0.79"
 thiserror = "1.0.56"
-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" }
+libpt-core = { version = "0.4.0", path = "members/libpt-core" }
+libpt-bintols = { version = "0.4.0", path = "members/libpt-bintols" }
+libpt-log = { version = "0.4.1", path = "members/libpt-log" }
 
 [package]
 name = "libpt"
diff --git a/members/libpt-log/Cargo.toml b/members/libpt-log/Cargo.toml
index b7b59d9..f41b6d6 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 = "0.4.0"
+version = "0.4.1"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true
diff --git a/members/libpt-py/Cargo.toml b/members/libpt-py/Cargo.toml
index 3398d38..bc0084a 100644
--- a/members/libpt-py/Cargo.toml
+++ b/members/libpt-py/Cargo.toml
@@ -2,6 +2,14 @@
 name = "libpt-py"
 version.workspace = true
 edition.workspace = true
+authors.workspace = true
+license.workspace = true
+description.workspace = true
+readme.workspace = true
+homepage.workspace = true
+repository.workspace = true
+keywords.workspace = true
+categories.workspace = true
 
 [package.metadata.maturin]
 name = "libpt"
@@ -11,7 +19,7 @@ name = "libpt"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-libpt = { version = "0.4.0-alpha.1", path = "../.." }
+libpt = { version = "0.4.2", path = "../.." }
 pyo3 = { version = "0.19.0", features = ["full"] }
 anyhow.workspace = true