diff --git a/pkgs/development/interpreters/python/pypy/default.nix b/pkgs/development/interpreters/python/pypy/default.nix
index a7c3d6740c1..65cc431c282 100644
--- a/pkgs/development/interpreters/python/pypy/default.nix
+++ b/pkgs/development/interpreters/python/pypy/default.nix
@@ -149,7 +149,7 @@ in with passthru; stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = http://pypy.org/;
-    description = "Fast, compliant alternative implementation of the Python language (3.5.3)";
+    description = "Fast, compliant alternative implementation of the Python language (${pythonVersion})";
     license = licenses.mit;
     platforms = [ "i686-linux" "x86_64-linux" ];
     maintainers = with maintainers; [ andersk ];
diff --git a/pkgs/development/interpreters/python/pypy/prebuilt.nix b/pkgs/development/interpreters/python/pypy/prebuilt.nix
index cf23a47e5db..ee556ba05bf 100644
--- a/pkgs/development/interpreters/python/pypy/prebuilt.nix
+++ b/pkgs/development/interpreters/python/pypy/prebuilt.nix
@@ -115,7 +115,7 @@ in with passthru; stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage = http://pypy.org/;
-    description = "Fast, compliant alternative implementation of the Python language (3.5.3)";
+    description = "Fast, compliant alternative implementation of the Python language (${pythonVersion})";
     license = licenses.mit;
     platforms = [ "x86_64-linux" ];
   };