diff --git a/pkgs/development/python-modules/acquire/default.nix b/pkgs/development/python-modules/acquire/default.nix
index e27075b7e133..5c0a9e3dcf26 100644
--- a/pkgs/development/python-modules/acquire/default.nix
+++ b/pkgs/development/python-modules/acquire/default.nix
@@ -18,7 +18,7 @@
 
 buildPythonPackage rec {
   pname = "acquire";
-  version = "3.19";
+  version = "3.20";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     owner = "fox-it";
     repo = "acquire";
     tag = version;
-    hash = "sha256-0aqngfv2ZyVw1ymotz1PmXKUZeTHUVL9ICL6cyEn/wk=";
+    hash = "sha256-BfY7LKSP82QnRz3QdfUNFvz7epw5RwGT/H2S43MSvVk=";
   };
 
   build-system = [
diff --git a/pkgs/development/python-modules/dissect-cramfs/default.nix b/pkgs/development/python-modules/dissect-cramfs/default.nix
new file mode 100644
index 000000000000..378814bee641
--- /dev/null
+++ b/pkgs/development/python-modules/dissect-cramfs/default.nix
@@ -0,0 +1,45 @@
+{
+  lib,
+  buildPythonPackage,
+  dissect-cstruct,
+  dissect-util,
+  fetchFromGitHub,
+  setuptools,
+  setuptools-scm,
+}:
+
+buildPythonPackage rec {
+  pname = "dissect-cramfs";
+  version = "1.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "fox-it";
+    repo = "dissect.cramfs";
+    tag = version;
+    hash = "sha256-0BHt7v2sI9uxZFUVsTkPZHy+wC6twaHeBmgH04anmp0=";
+  };
+
+  nativeBuildInputs = [
+    setuptools
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    dissect-cstruct
+    dissect-util
+  ];
+
+  # Issue with the test file handling
+  doCheck = false;
+
+  pythonImportsCheck = [ "dissect.cramfs" ];
+
+  meta = with lib; {
+    description = "Dissect module implementing a parser for the CRAMFS file system";
+    homepage = "https://github.com/fox-it/dissect.cramfs";
+    changelog = "https://github.com/fox-it/dissect.crmfs/releases/tag/${src.tag}";
+    license = licenses.agpl3Only;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/dissect/default.nix b/pkgs/development/python-modules/dissect/default.nix
index 22d017e2bb1c..0015349fb296 100644
--- a/pkgs/development/python-modules/dissect/default.nix
+++ b/pkgs/development/python-modules/dissect/default.nix
@@ -5,6 +5,7 @@
   dissect-btrfs,
   dissect-cim,
   dissect-clfs,
+  dissect-cramfs,
   dissect-cstruct,
   dissect-esedb,
   dissect-etl,
@@ -37,7 +38,7 @@
 
 buildPythonPackage rec {
   pname = "dissect";
-  version = "3.19";
+  version = "3.20.1";
   pyproject = true;
 
   disabled = pythonOlder "3.11";
@@ -46,7 +47,7 @@ buildPythonPackage rec {
     owner = "fox-it";
     repo = "dissect";
     tag = version;
-    hash = "sha256-eEiWKblhJPkZuxJvwJnHtxwvJ9uhXIkS56CeRtmEfkU=";
+    hash = "sha256-Zc9NBrRDbSP5Yk3gJoMG+6nAGFxBHiPKvvfQLMcu+tk=";
   };
 
   pythonRelaxDeps = true;
@@ -61,6 +62,7 @@ buildPythonPackage rec {
     dissect-btrfs
     dissect-cim
     dissect-clfs
+    dissect-cramfs
     dissect-cstruct
     dissect-esedb
     dissect-etl
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0fa2df7e9269..0acdb846b369 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3715,6 +3715,8 @@ self: super: with self; {
 
   dissect-cobaltstrike = callPackage ../development/python-modules/dissect-cobaltstrike { };
 
+  dissect-cramfs = callPackage ../development/python-modules/dissect-cramfs { };
+
   dissect-cstruct = callPackage ../development/python-modules/dissect-cstruct { };
 
   dissect-esedb = callPackage ../development/python-modules/dissect-esedb { };