diff --git a/pkgs/by-name/st/strictdoc/package.nix b/pkgs/by-name/st/strictdoc/package.nix
index ba4e634bc9f0..c02084371d6a 100644
--- a/pkgs/by-name/st/strictdoc/package.nix
+++ b/pkgs/by-name/st/strictdoc/package.nix
@@ -6,14 +6,14 @@
 
 python3.pkgs.buildPythonApplication (finalAttrs: {
   pname = "strictdoc";
-  version = "0.19.0";
+  version = "0.21.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "strictdoc-project";
     repo = "strictdoc";
     tag = finalAttrs.version;
-    hash = "sha256-UkXVn1GVWBBhjFaRvkVk+E9mug3i2k7SQk+7JVA8KSo=";
+    hash = "sha256-kKygvUCrkftEEKLoinVkP5DARsHGguSfsPaTpYYXPpU=";
   };
 
   build-system = [
@@ -79,7 +79,7 @@ python3.pkgs.buildPythonApplication (finalAttrs: {
   meta = {
     description = "Software for technical documentation and requirements management";
     homepage = "https://github.com/strictdoc-project/strictdoc";
-    changelog = "https://github.com/strictdoc-project/strictdoc/blob/${finalAttrs.src.tag}/CHANGELOG.md";
+    changelog = "https://github.com/strictdoc-project/strictdoc/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.asl20;
     maintainers = [ lib.maintainers.puzzlewolf ];
     mainProgram = "strictdoc";
diff --git a/pkgs/development/python-modules/html2pdf4doc/default.nix b/pkgs/development/python-modules/html2pdf4doc/default.nix
index 216d5ed88243..f47f4012a0f5 100644
--- a/pkgs/development/python-modules/html2pdf4doc/default.nix
+++ b/pkgs/development/python-modules/html2pdf4doc/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "html2pdf4doc";
-  version = "0.0.31";
+  version = "0.0.33";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mettta";
     repo = "html2pdf4doc_python";
     tag = version;
-    hash = "sha256-ailiZfqO2NacJmCbWWtZ2bnerjc9mdJZKDVWNUTMEAg=";
+    hash = "sha256-d5Y1llC7Yb1Vw2tvxAhgIw7wk18mFJ+sm8Rrr+UwxUI=";
   };
 
   build-system = [