diff --git a/pkgs/development/python-modules/ormar/default.nix b/pkgs/development/python-modules/ormar/default.nix
index 19f5ebf94c0e..cc028df3233f 100644
--- a/pkgs/development/python-modules/ormar/default.nix
+++ b/pkgs/development/python-modules/ormar/default.nix
@@ -70,8 +70,8 @@ buildPythonPackage rec {
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace 'SQLAlchemy = ">=1.3.18,<=1.4.31"' 'SQLAlchemy = ">=1.3.18"' \
-      --replace 'databases = ">=0.3.2,!=0.5.0,!=0.5.1,!=0.5.2,!=0.5.3,<=0.5.5"' 'databases = ">=0.5.5"'
+      --replace 'SQLAlchemy = ">=1.3.18,<1.4.39"' 'SQLAlchemy = ">=1.3.18"' \
+      --replace 'databases = ">=0.3.2,!=0.5.0,!=0.5.1,!=0.5.2,!=0.5.3,<0.6.1"' 'databases = ">=0.5.5"'
   '';
 
   disabledTests = [
diff --git a/pkgs/development/python-modules/peewee/default.nix b/pkgs/development/python-modules/peewee/default.nix
index deb7fcde1795..65e1fdd0af5e 100644
--- a/pkgs/development/python-modules/peewee/default.nix
+++ b/pkgs/development/python-modules/peewee/default.nix
@@ -10,18 +10,21 @@
 , mysql-connector
 , withPostgres ? false
 , psycopg2
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "peewee";
-  version = "3.14.10";
+  version = "3.15.0";
   format = "setuptools";
 
+  disabled = pythonOlder "3.7";
+
   src = fetchFromGitHub {
     owner = "coleifer";
     repo = pname;
     rev = version;
-    hash = "sha256-k3kKAImE1aVlmsSPXpaIkAVspAsAo5Hz6/n7u6+zTzA=";
+    hash = "sha256-nmqq1RJzHZKp6f0RAxuUAejy04vsupV0IH8dHXM/WVw=";
   };
 
   buildInputs = [