diff --git a/pkgs/development/python-modules/dulwich/default.nix b/pkgs/development/python-modules/dulwich/default.nix
index ae800654b7dc..3f4b8464cf8f 100644
--- a/pkgs/development/python-modules/dulwich/default.nix
+++ b/pkgs/development/python-modules/dulwich/default.nix
@@ -17,7 +17,7 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.21.3";
+  version = "0.21.5";
   pname = "dulwich";
   format = "setuptools";
 
@@ -25,7 +25,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-fKO0U9dn64Oz7Fjwz83JNIdaNBzf2w3FXBQxyWYIz4M=";
+    hash = "sha256-cJVeTiSd3abjSkY2uQ906THlWPmTsXxSVw+mFEuZMQM=";
   };
 
   LC_ALL = "en_US.UTF-8";
diff --git a/pkgs/development/python-modules/scmrepo/default.nix b/pkgs/development/python-modules/scmrepo/default.nix
index 8cd0e5a2fcb4..c37618c8d95b 100644
--- a/pkgs/development/python-modules/scmrepo/default.nix
+++ b/pkgs/development/python-modules/scmrepo/default.nix
@@ -17,7 +17,7 @@
 
 buildPythonPackage rec {
   pname = "scmrepo";
-  version = "1.0.2";
+  version = "1.0.3";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -26,7 +26,7 @@ buildPythonPackage rec {
     owner = "iterative";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-MREY8i6FIeRyjcCKvS8gthsVql81x4Ab7gA7yFgwNoQ=";
+    hash = "sha256-Ne0iN1rVbdxyoN8XiM9Xj8uyzlEL6WHPUZbFWt/qH40=";
   };
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;