diff --git a/pkgs/development/python-modules/cdcs/default.nix b/pkgs/development/python-modules/cdcs/default.nix
index 5096828e3978..4a3f89a3c831 100644
--- a/pkgs/development/python-modules/cdcs/default.nix
+++ b/pkgs/development/python-modules/cdcs/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "cdcs";
-  version = "0.1.9";
+  version = "0.2.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -23,8 +23,8 @@ buildPythonPackage rec {
     owner = "usnistgov";
     repo = "pycdcs";
     # https://github.com/usnistgov/pycdcs/issues/1
-    rev = "0a770b752301c27e227ca40a4752f305b55dee20";
-    hash = "sha256-AUrVEFea4VtBJXWWgECqdBFCqKuHWAlh07Dljp+HBa0=";
+    rev = "3aeaeb4782054a220e916c189ffe440d113b571d";
+    hash = "sha256-OsabgO2B2PRhU3DVvkK+f9VLOMqctl4nyCETxLtzwNs=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/potentials/default.nix b/pkgs/development/python-modules/potentials/default.nix
index e6b1d2b37e17..87c374fd533e 100644
--- a/pkgs/development/python-modules/potentials/default.nix
+++ b/pkgs/development/python-modules/potentials/default.nix
@@ -20,7 +20,7 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.3.5";
+  version = "0.3.6";
   pname = "potentials";
   format = "setuptools";
 
@@ -28,7 +28,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-e2+Yrgpj6Cy76qzw9/NhDq9ogsNQAJcKi9kvY2fZE+k=";
+    hash = "sha256-VEPGa3Wp+B3KterfA5XGjaDf6sIAkSST0GWdeqaJcE0=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/yabadaba/default.nix b/pkgs/development/python-modules/yabadaba/default.nix
index 2fab492268ef..c83b61bafe5d 100644
--- a/pkgs/development/python-modules/yabadaba/default.nix
+++ b/pkgs/development/python-modules/yabadaba/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "yabadaba";
-  version = "0.1.3";
+  version = "0.2.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "usnistgov";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-0Rwo2d3vEfXmeZvZA1udbGKxUERymeVhvyu+okqQDJk=";
+    hash = "sha256-PXmkRbCFag2WAtodwgb3kX+hRDZdCKKi/YwAMSQePxQ=";
   };
 
   propagatedBuildInputs = [