diff --git a/Cargo.toml b/Cargo.toml
index f2012510..9746d0b4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -118,7 +118,7 @@ proxmox-schema = { version = "3.1.1", path = "proxmox-schema" }
 proxmox-section-config = { version = "2.0.0", path = "proxmox-section-config" }
 proxmox-serde = { version = "0.1.1", path = "proxmox-serde", features = [ "serde_json" ] }
 proxmox-sortable-macro = { version = "0.1.3", path = "proxmox-sortable-macro" }
-proxmox-sys = { version = "0.5.1", path = "proxmox-sys" }
+proxmox-sys = { version = "0.5.5", path = "proxmox-sys" }
 proxmox-tfa = { version = "4.0.4", path = "proxmox-tfa" }
 proxmox-time = { version = "1.1.6", path = "proxmox-time" }
 proxmox-uuid = { version = "1.0.1", path = "proxmox-uuid" }
diff --git a/proxmox-sys/Cargo.toml b/proxmox-sys/Cargo.toml
index 8f038ff2..d118de2b 100644
--- a/proxmox-sys/Cargo.toml
+++ b/proxmox-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "proxmox-sys"
-version = "0.5.4"
+version = "0.5.5"
 authors.workspace = true
 edition.workspace = true
 license.workspace = true
diff --git a/proxmox-sys/debian/changelog b/proxmox-sys/debian/changelog
index e7bdb2e3..2a3fcda2 100644
--- a/proxmox-sys/debian/changelog
+++ b/proxmox-sys/debian/changelog
@@ -1,3 +1,11 @@
+rust-proxmox-sys (0.5.5-1) bookworm; urgency=medium
+
+  * crypt: use constant time comparison for password verification
+
+  * crypt: move to yescrypt for password hashing by default
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 22 May 2024 15:47:45 +0200
+
 rust-proxmox-sys (0.5.4-2) bookworm; urgency=medium
 
   * re-build for fixed provides
diff --git a/proxmox-sys/debian/control b/proxmox-sys/debian/control
index c99c2bf1..be8c3391 100644
--- a/proxmox-sys/debian/control
+++ b/proxmox-sys/debian/control
@@ -49,30 +49,42 @@ Depends:
  libacl1-dev,
  uuid-dev
 Suggests:
+ librust-proxmox-sys+crypt-dev (= ${binary:Version}),
  librust-proxmox-sys+logrotate-dev (= ${binary:Version})
 Provides:
  librust-proxmox-sys+acl-dev (= ${binary:Version}),
- librust-proxmox-sys+crypt-dev (= ${binary:Version}),
  librust-proxmox-sys+default-dev (= ${binary:Version}),
  librust-proxmox-sys+timer-dev (= ${binary:Version}),
  librust-proxmox-sys-0-dev (= ${binary:Version}),
  librust-proxmox-sys-0+acl-dev (= ${binary:Version}),
- librust-proxmox-sys-0+crypt-dev (= ${binary:Version}),
  librust-proxmox-sys-0+default-dev (= ${binary:Version}),
  librust-proxmox-sys-0+timer-dev (= ${binary:Version}),
  librust-proxmox-sys-0.5-dev (= ${binary:Version}),
  librust-proxmox-sys-0.5+acl-dev (= ${binary:Version}),
- librust-proxmox-sys-0.5+crypt-dev (= ${binary:Version}),
  librust-proxmox-sys-0.5+default-dev (= ${binary:Version}),
  librust-proxmox-sys-0.5+timer-dev (= ${binary:Version}),
- librust-proxmox-sys-0.5.4-dev (= ${binary:Version}),
- librust-proxmox-sys-0.5.4+acl-dev (= ${binary:Version}),
- librust-proxmox-sys-0.5.4+crypt-dev (= ${binary:Version}),
- librust-proxmox-sys-0.5.4+default-dev (= ${binary:Version}),
- librust-proxmox-sys-0.5.4+timer-dev (= ${binary:Version})
+ librust-proxmox-sys-0.5.5-dev (= ${binary:Version}),
+ librust-proxmox-sys-0.5.5+acl-dev (= ${binary:Version}),
+ librust-proxmox-sys-0.5.5+default-dev (= ${binary:Version}),
+ librust-proxmox-sys-0.5.5+timer-dev (= ${binary:Version})
 Description: System tools (using nix) - Rust source code
  Source code for Debianized Rust crate "proxmox-sys"
 
+Package: librust-proxmox-sys+crypt-dev
+Architecture: any
+Multi-Arch: same
+Depends:
+ ${misc:Depends},
+ librust-proxmox-sys-dev (= ${binary:Version}),
+ librust-openssl-0.10+default-dev
+Provides:
+ librust-proxmox-sys-0+crypt-dev (= ${binary:Version}),
+ librust-proxmox-sys-0.5+crypt-dev (= ${binary:Version}),
+ librust-proxmox-sys-0.5.5+crypt-dev (= ${binary:Version})
+Description: System tools (using nix) - feature "crypt"
+ This metapackage enables feature "crypt" for the Rust proxmox-sys crate, by
+ pulling in any additional dependencies needed by that feature.
+
 Package: librust-proxmox-sys+logrotate-dev
 Architecture: any
 Multi-Arch: same
@@ -84,7 +96,7 @@ Depends:
 Provides:
  librust-proxmox-sys-0+logrotate-dev (= ${binary:Version}),
  librust-proxmox-sys-0.5+logrotate-dev (= ${binary:Version}),
- librust-proxmox-sys-0.5.4+logrotate-dev (= ${binary:Version})
+ librust-proxmox-sys-0.5.5+logrotate-dev (= ${binary:Version})
 Description: System tools (using nix) - feature "logrotate"
  This metapackage enables feature "logrotate" for the Rust proxmox-sys crate, by
  pulling in any additional dependencies needed by that feature.