diff --git a/pkgs/development/python-modules/hdbscan/default.nix b/pkgs/development/python-modules/hdbscan/default.nix
index 1374a72abf74..ecea57b8b68a 100644
--- a/pkgs/development/python-modules/hdbscan/default.nix
+++ b/pkgs/development/python-modules/hdbscan/default.nix
@@ -14,18 +14,22 @@
 
 buildPythonPackage rec {
   pname = "hdbscan";
-  version = "0.8.27";
+  version = "0.8.28";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e3a418d0d36874f7b6a1bf0b7461f3857fc13a525fd48ba34caed2fe8973aa26";
+    sha256 = "sha256-7tr3Hy87vt/Ew42hrUiXRUzl69R5LhponJecKFPtwFo=";
   };
   patches = [
-    # This patch fixes compatibility with numpy 1.20. It will be in the next release
-    # after 0.8.27
+    # should be included in next release
     (fetchpatch {
-      url = "https://github.com/scikit-learn-contrib/hdbscan/commit/5b67a4fba39c5aebe8187a6a418da677f89a63e0.patch";
-      sha256 = "07d7jdwk0b8kgaqkifd529sarji01j1jiih7cfccc5kxmlb5py9h";
+      name = "joblib-1.2.0-compat.patch";
+      url = "https://github.com/scikit-learn-contrib/hdbscan/commit/d829c639923f6866e1917e46ddbde45b513913f3.patch";
+      excludes = [
+        "docs/basic_hdbscan.rst"
+        "docs/how_hdbscan_works.rst"
+      ];
+      sha256 = "sha256-t0D4OsHEcMwmBZM8Mk1N0uAKi6ra+TOzEks9/efsvWI=";
     })
   ];
 
diff --git a/pkgs/development/python-modules/joblib/default.nix b/pkgs/development/python-modules/joblib/default.nix
index ad7db290d67e..caa306be7dc5 100644
--- a/pkgs/development/python-modules/joblib/default.nix
+++ b/pkgs/development/python-modules/joblib/default.nix
@@ -9,20 +9,21 @@
 , lz4
 , setuptools
 , sphinx
+, psutil
 }:
 
 
 buildPythonPackage rec {
   pname = "joblib";
-  version = "1.1.0";
+  version = "1.2.0";
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4158fcecd13733f8be669be0683b96ebdbbd38d23559f54dca7205aea1bf1e35";
+    sha256 = "sha256-4c7kp55K8iiBFk8hjUMR9gB0GX+3B+CC6AO2H20TcBg=";
   };
 
-  checkInputs = [ sphinx numpydoc pytestCheckHook ];
+  checkInputs = [ sphinx numpydoc pytestCheckHook psutil ];
   propagatedBuildInputs = [ lz4 setuptools ];
 
   pytestFlagsArray = [ "joblib/test" ];