diff --git a/pkgs/by-name/op/opshin/package.nix b/pkgs/by-name/op/opshin/package.nix
index dc2b6486dbc0..242c9044439c 100644
--- a/pkgs/by-name/op/opshin/package.nix
+++ b/pkgs/by-name/op/opshin/package.nix
@@ -6,7 +6,7 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "opshin";
-  version = "0.23.0";
+  version = "0.24.0";
 
   format = "pyproject";
 
@@ -14,7 +14,7 @@ python3.pkgs.buildPythonApplication rec {
     owner = "OpShin";
     repo = "opshin";
     tag = version;
-    hash = "sha256-H6tuSJYV9bAwXu/5Y8g6aFbbQFCpq2aqcmRaDq2cAEg=";
+    hash = "sha256-5IzPxzNvH9nlOYBCbc8kC7yzf8L8LPA5Wq9agqg9kng=";
   };
 
   propagatedBuildInputs = with python3.pkgs; [
diff --git a/pkgs/development/python-modules/blockfrost-python/default.nix b/pkgs/development/python-modules/blockfrost-python/default.nix
index 0c0582290b7e..661ffa326891 100644
--- a/pkgs/development/python-modules/blockfrost-python/default.nix
+++ b/pkgs/development/python-modules/blockfrost-python/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch2,
   # Python deps
   requests,
   setuptools,
@@ -10,8 +11,7 @@
 buildPythonPackage rec {
   pname = "blockfrost-python";
   version = "0.6.0";
-
-  format = "pyproject";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "blockfrost";
@@ -20,11 +20,22 @@ buildPythonPackage rec {
     hash = "sha256-mN26QXxizDR+o2V5C2MlqVEbRns1BTmwZdUnnHNcFzw=";
   };
 
-  propagatedBuildInputs = [
-    requests
+  patches = [
+    (fetchpatch2 {
+      name = "blockfrost-python-fix-version";
+      url = "https://github.com/blockfrost/blockfrost-python/commit/02fdc67ff6d1333c0855e740114585852bbfa0bc.patch?full_index=1";
+      hash = "sha256-070tnWxOnVNsCYXmBFo39JUgQDqphdpqx3A9OIuC94U=";
+    })
+  ];
+
+  build-system = [
     setuptools
   ];
 
+  dependencies = [
+    requests
+  ];
+
   pythonImportsCheck = [ "blockfrost" ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/cardano-tools/default.nix b/pkgs/development/python-modules/cardano-tools/default.nix
new file mode 100644
index 000000000000..d6b1af66af58
--- /dev/null
+++ b/pkgs/development/python-modules/cardano-tools/default.nix
@@ -0,0 +1,37 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  poetry-core,
+  # Python deps
+  requests,
+  pexpect,
+}:
+
+buildPythonPackage rec {
+  pname = "cardano-tools";
+  version = "2.1.0";
+  pyproject = true;
+
+  src = fetchPypi {
+    pname = "cardano_tools";
+    inherit version;
+    hash = "sha256-RFyKXHafV+XgRJSsTjASCCw9DxvZqertf4NNN616Bp4=";
+  };
+
+  build-system = [ poetry-core ];
+
+  dependencies = [
+    requests
+    pexpect
+  ];
+
+  pythonImportsCheck = [ "cardano_tools" ];
+
+  meta = with lib; {
+    description = "Python module for interfacing with the Cardano blockchain";
+    homepage = "https://gitlab.com/viperscience/cardano-tools";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ t4ccer ];
+  };
+}
diff --git a/pkgs/development/python-modules/ogmios/default.nix b/pkgs/development/python-modules/ogmios/default.nix
new file mode 100644
index 000000000000..0d412dc76b30
--- /dev/null
+++ b/pkgs/development/python-modules/ogmios/default.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  hatchling,
+  setuptools,
+  # Python deps
+  cachetools,
+  cardano-tools,
+  coloredlogs,
+  orjson,
+  pydantic,
+  websockets,
+}:
+
+buildPythonPackage rec {
+  pname = "ogmios";
+  version = "1.3.0";
+  pyproject = true;
+
+  src = fetchPypi {
+    pname = "ogmios";
+    inherit version;
+    hash = "sha256-b5L1J9lqHEQmlw7alv5HnpXM0gpE26cGkddEKH5cSU0=";
+  };
+
+  build-system = [
+    hatchling
+    setuptools
+  ];
+
+  dependencies = [
+    cachetools
+    cardano-tools
+    coloredlogs
+    orjson
+    pydantic
+    websockets
+  ];
+
+  pythonImportsCheck = [ "ogmios" ];
+
+  meta = with lib; {
+    description = "Python client for Ogmios";
+    homepage = "https://gitlab.com/viperscience/ogmios-python";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ t4ccer ];
+  };
+}
diff --git a/pkgs/development/python-modules/pycardano/default.nix b/pkgs/development/python-modules/pycardano/default.nix
index 973b84f4c035..d06543c29d56 100644
--- a/pkgs/development/python-modules/pycardano/default.nix
+++ b/pkgs/development/python-modules/pycardano/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  pytestCheckHook,
   # Python deps
   blockfrost-python,
   cachetools,
@@ -12,12 +13,15 @@
   frozendict,
   frozenlist,
   mnemonic,
+  ogmios,
   poetry-core,
   pprintpp,
   pynacl,
+  requests,
   setuptools,
   typeguard,
   websocket-client,
+  websockets,
 }:
 
 let
@@ -34,18 +38,21 @@ let
 in
 buildPythonPackage rec {
   pname = "pycardano";
-  version = "0.11.1";
-
-  format = "pyproject";
+  version = "0.12.3";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Python-Cardano";
     repo = "pycardano";
-    rev = "v${version}";
-    hash = "sha256-OWm6ztt3s3DUbxDZqpvwTO6XwdY/57AI6Bc6x6kxH7k=";
+    tag = "v${version}";
+    hash = "sha256-jxgskdQ7Us+utndUgFYK7G2IW/e5QbeXytOsxQfFiJI=";
   };
 
-  propagatedBuildInputs = [
+  build-system = [
+    setuptools
+  ];
+
+  dependencies = [
     blockfrost-python
     cachetools
     cbor2
@@ -55,15 +62,21 @@ buildPythonPackage rec {
     frozendict
     frozenlist
     mnemonic
+    ogmios
     poetry-core
     pprintpp
     pynacl
-    setuptools
+    requests
     typeguard
     websocket-client
+    websockets
   ];
 
-  pythonRelaxDeps = [ "typeguard" ];
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  pythonRelaxDeps = [ "websockets" ];
 
   pythonImportsCheck = [ "pycardano" ];
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9867ff038b73..958af9668ac3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2102,6 +2102,8 @@ self: super: with self; {
 
   carbon = callPackage ../development/python-modules/carbon { };
 
+  cardano-tools = callPackage ../development/python-modules/cardano-tools { };
+
   cardimpose = callPackage ../development/python-modules/cardimpose { };
 
   cart = callPackage ../development/python-modules/cart { };
@@ -9730,6 +9732,8 @@ self: super: with self; {
 
   oemthermostat = callPackage ../development/python-modules/oemthermostat { };
 
+  ogmios = callPackage ../development/python-modules/ogmios { };
+
   okonomiyaki = callPackage ../development/python-modules/okonomiyaki { };
 
   okta = callPackage ../development/python-modules/okta { };