diff --git a/pkgs/applications/science/misc/cwltool/default.nix b/pkgs/applications/science/misc/cwltool/default.nix
index 7919dfd17682..ab43eac8bffb 100644
--- a/pkgs/applications/science/misc/cwltool/default.nix
+++ b/pkgs/applications/science/misc/cwltool/default.nix
@@ -7,14 +7,14 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "cwltool";
-  version = "3.1.20240404144621";
+  version = "3.1.20240508115724";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "common-workflow-language";
     repo = "cwltool";
     rev = "refs/tags/${version}";
-    hash = "sha256-atpXkMIQ60POuUk99uiiuCoRXt4Seg11g/eHCeTDe+Q=";
+    hash = "sha256-hBP/8PIqvs820UsxrRuyMVIWgQGFVcMHCUToxhcupTk=";
   };
 
   postPatch = ''
@@ -24,7 +24,6 @@ python3.pkgs.buildPythonApplication rec {
       --replace '"schema-salad >= 8.4.20230426093816, < 9",' "" \
       --replace "PYTEST_RUNNER + " ""
     substituteInPlace pyproject.toml \
-      --replace "mypy==1.8.0" "mypy" \
       --replace "ruamel.yaml>=0.16.0,<0.18" "ruamel.yaml"
   '';
 
diff --git a/pkgs/development/python-modules/mypy/default.nix b/pkgs/development/python-modules/mypy/default.nix
index 8d55e3009416..b81f46a10808 100644
--- a/pkgs/development/python-modules/mypy/default.nix
+++ b/pkgs/development/python-modules/mypy/default.nix
@@ -30,7 +30,7 @@
 
 buildPythonPackage rec {
   pname = "mypy";
-  version = "1.9.0";
+  version = "1.10.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -38,8 +38,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "python";
     repo = "mypy";
-    rev = "refs/tags/${version}";
-    hash = "sha256-uOOZX8bKRunTOgYVbmetu2m0B7kijxBgWdNiLCAhiQ4=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-NCnc4C/YFKHN/kT7RTFCYs/yC00Kt1E7mWCoQuUjxG8=";
   };
 
   build-system = [
diff --git a/pkgs/development/python-modules/schema-salad/default.nix b/pkgs/development/python-modules/schema-salad/default.nix
index 8d267299add0..0010df2ab13c 100644
--- a/pkgs/development/python-modules/schema-salad/default.nix
+++ b/pkgs/development/python-modules/schema-salad/default.nix
@@ -22,7 +22,7 @@
 
 buildPythonPackage rec {
   pname = "schema-salad";
-  version = "8.5.20240410123758";
+  version = "8.5.20240503091721";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -31,7 +31,7 @@ buildPythonPackage rec {
     owner = "common-workflow-language";
     repo = "schema_salad";
     rev = "refs/tags/${version}";
-    hash = "sha256-AgXqeiA4sP7KBnUpb2uMWq45G0LhJ5uLtORrOG4UuB0=";
+    hash = "sha256-VbEIkWzg6kPnJWqbvlfsD83oS0VQasGQo+pUIPiGjhU=";
   };
 
   postPatch = ''