diff --git a/pkgs/development/python-modules/aiosmb/default.nix b/pkgs/development/python-modules/aiosmb/default.nix
index ce20341eae1d..b9c968d63f5b 100644
--- a/pkgs/development/python-modules/aiosmb/default.nix
+++ b/pkgs/development/python-modules/aiosmb/default.nix
@@ -14,12 +14,12 @@
 
 buildPythonPackage rec {
   pname = "aiosmb";
-  version = "0.2.41";
+  version = "0.2.44";
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-hiLLoFswh0rm5f5TsaX+zyRDkOIyzGXVO0M5J5d/gtQ=";
+    sha256 = "sha256-xNdrOO0BqV4sD6U39G2RXihDBBf516x8RLiqNLnZyWk=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/minikerberos/default.nix b/pkgs/development/python-modules/minikerberos/default.nix
index ee0812eacecc..d1e0616cfb68 100644
--- a/pkgs/development/python-modules/minikerberos/default.nix
+++ b/pkgs/development/python-modules/minikerberos/default.nix
@@ -3,24 +3,27 @@
 , asysocks
 , buildPythonPackage
 , fetchPypi
+, oscrypto
 }:
 
 buildPythonPackage rec {
   pname = "minikerberos";
-  version = "0.2.11";
+  version = "0.2.14";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-OC+Cnk47GFzK1QaDEDxntRVrakpFiBuNelM/R5t/AUY=";
+    sha256 = "sha256-MND7r4Gkx9RnEMgEl62QXFYr1NEloihQ2HeU9hyhsx8=";
   };
 
   propagatedBuildInputs = [
     asn1crypto
     asysocks
+    oscrypto
   ];
 
   # no tests are published: https://github.com/skelsec/minikerberos/pull/5
   doCheck = false;
+
   pythonImportsCheck = [ "minikerberos" ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/msldap/default.nix b/pkgs/development/python-modules/msldap/default.nix
index 12bfb7d7603e..649276ef252f 100644
--- a/pkgs/development/python-modules/msldap/default.nix
+++ b/pkgs/development/python-modules/msldap/default.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "msldap";
-  version = "0.3.29";
+  version = "0.3.30";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0khwyhylh28qvz35pdckr5fdd82zsybv0xmzlzjbgcv99cyy1a94";
+    sha256 = "sha256-fX+W1Bq4F0/6DyxWeA6zvoswFQCdDpSk29g7nq1cYYE=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/oscrypto/default.nix b/pkgs/development/python-modules/oscrypto/default.nix
index 6012398db982..cc89f3124806 100644
--- a/pkgs/development/python-modules/oscrypto/default.nix
+++ b/pkgs/development/python-modules/oscrypto/default.nix
@@ -1,25 +1,30 @@
-{ buildPythonPackage
+{ lib
+, buildPythonPackage
 , asn1crypto
 , fetchPypi
-, lib
 , openssl
 }:
 
 buildPythonPackage rec {
   pname = "oscrypto";
-  version = "1.1.1";
+  version = "1.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1vlryamwr442w2av8f54ldhls8fqs6678fg60pqbrf5pjy74kg23";
+    sha256 = "1546si2bdgkqnbvv4mw1hr4mhh6bq39d9z4wxgv1m7fq6miclb3x";
   };
 
   testSources = fetchPypi {
     inherit version;
     pname = "oscrypto_tests";
-    sha256 = "1crndz647pqdd8148yn3n5l63xwr6qkwa1qarsz59nk3ip0dsyq5";
+    sha256 = "1ha68dsrbx6mlra44x0n81vscn17pajbl4yg7cqkk7mq1zfmjwks";
   };
 
+  propagatedBuildInputs = [
+    asn1crypto
+    openssl
+  ];
+
   preCheck = ''
     tar -xf ${testSources}
     mv oscrypto_tests-${version} tests
@@ -28,14 +33,11 @@ buildPythonPackage rec {
     sed -e '/TLSTests/d' -e '/TrustListTests/d' -i tests/__init__.py
   '';
 
-  propagatedBuildInputs = [
-    asn1crypto
-    openssl
-  ];
+  pythonImportsCheck = [ "oscrypto" ];
 
   meta = with lib; {
-    description = "A compilation-free, always up-to-date encryption library for Python that works on Windows, OS X, Linux and BSD.";
-    homepage = "https://www.snowflake.com/";
+    description = "Encryption library for Python";
+    homepage = "https://github.com/wbond/oscrypto";
     license = licenses.mit;
   };
 }