diff --git a/pkgs/development/python-modules/invocations/default.nix b/pkgs/development/python-modules/invocations/default.nix
index 17828c47ae46..68160afc5435 100644
--- a/pkgs/development/python-modules/invocations/default.nix
+++ b/pkgs/development/python-modules/invocations/default.nix
@@ -1,7 +1,7 @@
 {
   lib,
   buildPythonPackage,
-  blessings,
+  blessed,
   fetchFromGitHub,
   invoke,
   pythonOlder,
@@ -10,6 +10,11 @@
   tabulate,
   tqdm,
   twine,
+  pytestCheckHook,
+  pytest-relaxed,
+  pytest-mock,
+  icecream,
+  pip,
 }:
 
 buildPythonPackage rec {
@@ -26,13 +31,15 @@ buildPythonPackage rec {
     hash = "sha256-JnhdcxhBNsYgDMcljtGKjOT1agujlao/66QifGuh6I0=";
   };
 
+  patches = [ ./replace-blessings-with-blessed.patch ];
+
   postPatch = ''
     substituteInPlace setup.py \
       --replace "semantic_version>=2.4,<2.7" "semantic_version"
   '';
 
   propagatedBuildInputs = [
-    blessings
+    blessed
     invoke
     releases
     semantic-version
@@ -41,11 +48,27 @@ buildPythonPackage rec {
     twine
   ];
 
-  # There's an error loading the test suite. See https://github.com/pyinvoke/invocations/issues/29.
-  doCheck = false;
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-relaxed
+    pytest-mock
+    icecream
+    pip
+  ];
 
   pythonImportsCheck = [ "invocations" ];
 
+  disabledTests = [
+    # invoke.exceptions.UnexpectedExit
+    "autodoc_"
+
+    # ValueError: Call either Version('1.2.3') or Version(major=1, ...)
+    "component_state_enums_contain_human_readable_values"
+    "load_version_"
+    "prepare_"
+    "status_"
+  ];
+
   meta = with lib; {
     description = "Common/best-practice Invoke tasks and collections";
     homepage = "https://invocations.readthedocs.io/";
diff --git a/pkgs/development/python-modules/invocations/replace-blessings-with-blessed.patch b/pkgs/development/python-modules/invocations/replace-blessings-with-blessed.patch
new file mode 100644
index 000000000000..fe03889e8555
--- /dev/null
+++ b/pkgs/development/python-modules/invocations/replace-blessings-with-blessed.patch
@@ -0,0 +1,26 @@
+diff --git a/invocations/packaging/release.py b/invocations/packaging/release.py
+index 54322c3..81ac173 100644
+--- a/invocations/packaging/release.py
++++ b/invocations/packaging/release.py
+@@ -23,7 +23,7 @@ from shutil import rmtree
+ 
+ from invoke.vendor.lexicon import Lexicon
+ 
+-from blessings import Terminal
++from blessed import Terminal
+ from docutils.utils import Reporter
+ from enum import Enum
+ from invoke import Collection, task, Exit
+diff --git a/setup.py b/setup.py
+index 78ae28b..c78a74c 100644
+--- a/setup.py
++++ b/setup.py
+@@ -16,7 +16,7 @@ requirements = [
+     # time if missing), but that got hairy fast, and these are all
+     # pure-Python packages, so it shouldn't be a huge burden for users to
+     # obtain them.
+-    "blessings>=1.6",
++    "blessed",
+     "releases>=1.6",
+     "semantic_version>=2.4,<2.7",
+     "tabulate>=0.7.5",