diff --git a/pkgs/development/python-modules/bitlist/default.nix b/pkgs/development/python-modules/bitlist/default.nix
index 42fc3b5460b4..e985dbf28c0f 100644
--- a/pkgs/development/python-modules/bitlist/default.nix
+++ b/pkgs/development/python-modules/bitlist/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "bitlist";
-  version = "0.4.0";
+  version = "0.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-IL1tpP/F6O3BvJab6aC6r6PhRgKFpLp9aXmOK1rQXaU=";
+    sha256 = "sha256-bX/Z5FBm21gX4ax/HfqD2bNotZyNFX7dHCEN5uZzQJQ=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/fountains/default.nix b/pkgs/development/python-modules/fountains/default.nix
index b706930b3ef3..a5eee78aee33 100644
--- a/pkgs/development/python-modules/fountains/default.nix
+++ b/pkgs/development/python-modules/fountains/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "fountains";
-  version = "0.2.1";
+  version = "1.0.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0jk5y099g6ggaq5lwp0jlg4asyhcdxnl3him3ibmzc1k9nnknp30";
+    sha256 = "sha256-e4WCO/CS7LBYUziKPuCQIOHEHUlnKE5vDbOsqC8SrA8=";
   };
 
   propagatedBuildInputs = [
@@ -19,6 +19,7 @@ buildPythonPackage rec {
 
   # Project has no test
   doCheck = false;
+
   pythonImportsCheck = [ "fountains" ];
 
   meta = with lib; {