diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index 71aea332433..ef4cab35021 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -100,11 +100,11 @@ in {
   pypy27 = callPackage ./pypy {
     self = pypy27;
     sourceVersion = {
-      major = "6";
+      major = "7";
       minor = "0";
       patch = "0";
     };
-    sha256 = "1qjwpc8n68sxxlfg36s5vn1h2gdfvvd6lxvr4lzbvfwhzrgqahsw";
+    sha256 = "1m6ja79sbkl38p1hs7c0n4kq5xzn01wp7wl5456hsw9q6cwg6894";
     pythonVersion = "2.7";
     db = db.override { dbmSupport = true; };
     python = python27;
@@ -114,11 +114,11 @@ in {
   pypy35 = callPackage ./pypy {
     self = pypy35;
     sourceVersion = {
-      major = "6";
+      major = "7";
       minor = "0";
       patch = "0";
     };
-    sha256 = "0lwq8nn0r5yj01bwmkk5p7xvvrp4s550l8184mkmn74d3gphrlwg";
+    sha256 = "0hbv9ziv8n9lqnr6cndrw70p6g40c00w1ds7lmzgrr153myxkp7w";
     pythonVersion = "3.5";
     db = db.override { dbmSupport = true; };
     python = python27;