diff --git a/pkgs/development/python-modules/cassandra-driver/default.nix b/pkgs/development/python-modules/cassandra-driver/default.nix
index e5b1a4c4fb0f..1243aad64cc4 100644
--- a/pkgs/development/python-modules/cassandra-driver/default.nix
+++ b/pkgs/development/python-modules/cassandra-driver/default.nix
@@ -35,6 +35,10 @@ buildPythonPackage rec {
     sha256 = "1dn7iiavsrhh6i9hcyw0mk8j95r5ym0gbrvdca998hx2rnz5ark6";
   };
 
+  postPatch = ''
+    substituteInPlace setup.py --replace 'geomet>=0.1,<0.3' 'geomet'
+  '';
+
   nativeBuildInputs = [ cython ];
   buildInputs = [ libev ];
   propagatedBuildInputs = [ six geomet ]
@@ -80,6 +84,8 @@ buildPythonPackage rec {
     "_PoolTests"
     # attempts to make connection to localhost
     "test_connection_initialization"
+    # time-sensitive
+    "test_nts_token_performance"
   ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/geomet/default.nix b/pkgs/development/python-modules/geomet/default.nix
index a4df450098df..bace792ee84a 100644
--- a/pkgs/development/python-modules/geomet/default.nix
+++ b/pkgs/development/python-modules/geomet/default.nix
@@ -1,31 +1,22 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, fetchpatch
 , click
 , six
 }:
 
 buildPythonPackage rec {
   pname = "geomet";
-  version = "0.2.1";
+  version = "0.3.0";
 
   # pypi tarball doesn't include tests
   src = fetchFromGitHub {
     owner = "geomet";
     repo = "geomet";
     rev = version;
-    sha256 = "0fdi26glsmrsyqk86rnsfcqw79svn2b0ikdv89pq98ihrpwhn85y";
+    sha256 = "1lb0df78gkivsb7hy3ix0xccvcznvskip11hr5sgq5y76qnfc8p0";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "python-3.8-support.patch";
-      url = "https://github.com/geomet/geomet/commit/dc4cb4a856d3ad814b57b4b7487d86d9e0f0fad4.patch";
-      sha256 = "1f1cdfqyp3z01jdjvax77219l3gc75glywqrisqpd2k0m0g7fwh3";
-    })
-  ];
-
   propagatedBuildInputs = [ click six ];
 
   meta = with lib; {