diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index a35418857d52..e70816a90eee 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -47,10 +47,10 @@ in {
     sourceVersion = {
       major = "3";
       minor = "9";
-      patch = "19";
+      patch = "20";
       suffix = "";
     };
-    hash = "sha256-1Iks0WGPZFjLhRIIwDDfFIJ3lgnQ85OZkb04GE+MZ54=";
+    hash = "sha256-aygSee/YUpTS1pk+FzmDpXRkwBM5Vvu7VTbslka+rww=";
     inherit (darwin) configd;
     inherit passthruFun;
   };
@@ -60,10 +60,10 @@ in {
     sourceVersion = {
       major = "3";
       minor = "10";
-      patch = "14";
+      patch = "15";
       suffix = "";
     };
-    hash = "sha256-nFBIH6qMKDIym6D8iGjQpgamgPxPYOxI0mzo4HZ1H9o=";
+    hash = "sha256-qrCVCBdzUXJgGHmHLZN8HkkopXxAmuAjaew9kdzOvnk=";
     inherit (darwin) configd;
     inherit passthruFun;
   };
@@ -93,9 +93,9 @@ in {
       major = "3";
       minor = "13";
       patch = "0";
-      suffix = "rc1";
+      suffix = "rc2";
     };
-    hash = "sha256-Z4uIR3XuwCJNUVn6kAh5AgusoqNs6UL9lf6/oa20pr0=";
+    hash = "sha256-1g6LfBDeT3HS3/r3x76O+lTcHlMv6THbuE5fYlcJ4jc=";
     inherit (darwin) configd;
     inherit passthruFun;
   };