diff --git a/proxmox-api-macro/Cargo.toml b/proxmox-api-macro/Cargo.toml
index a206cf03..7615fed6 100644
--- a/proxmox-api-macro/Cargo.toml
+++ b/proxmox-api-macro/Cargo.toml
@@ -19,7 +19,7 @@ syn = { version = "1.0", features = [ "extra-traits", "full", "visit-mut" ] }
 
 [dev-dependencies]
 futures = "0.3"
-proxmox = { version = "0.11.0", path = "../proxmox", features = [ "test-harness", "api-macro" ] }
+proxmox = { version = "0.12.0", path = "../proxmox", features = [ "test-harness", "api-macro" ] }
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
diff --git a/proxmox-http/Cargo.toml b/proxmox-http/Cargo.toml
index b2d7edec..17ae0e44 100644
--- a/proxmox-http/Cargo.toml
+++ b/proxmox-http/Cargo.toml
@@ -21,7 +21,7 @@ openssl =  { version = "0.10", optional = true }
 tokio = { version = "1.0", features = [], optional = true }
 tokio-openssl = { version = "0.6.1", optional = true }
 
-proxmox = { path = "../proxmox", optional = true, version = "0.11.3", default-features = false }
+proxmox = { path = "../proxmox", optional = true, version = "0.12.0", default-features = false }
 
 [features]
 default = []
diff --git a/proxmox/Cargo.toml b/proxmox/Cargo.toml
index 9f341f90..a64519f1 100644
--- a/proxmox/Cargo.toml
+++ b/proxmox/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "proxmox"
 edition = "2018"
-version = "0.11.6"
+version = "0.12.0"
 authors = [
     "Dietmar Maurer <dietmar@proxmox.com>",
     "Wolfgang Bumiller <w.bumiller@proxmox.com>",
diff --git a/proxmox/debian/changelog b/proxmox/debian/changelog
index b6ab39a5..b6e2e2e6 100644
--- a/proxmox/debian/changelog
+++ b/proxmox/debian/changelog
@@ -1,3 +1,11 @@
+rust-proxmox (0.12.0-1) unstable; urgency=medium
+
+  * open_file_locked: add options parameter (CreateOptions)
+
+  * new helper atomic_open_or_create_file()
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 20 Jul 2021 10:24:34 +0200
+
 rust-proxmox (0.11.6-1) unstable; urgency=medium
 
   * make_tmp_file: return File instead of Fd