diff --git a/pkgs/development/python-modules/sympy/default.nix b/pkgs/development/python-modules/sympy/default.nix
index c935176e0d51..0d9cf098e662 100644
--- a/pkgs/development/python-modules/sympy/default.nix
+++ b/pkgs/development/python-modules/sympy/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "sympy";
-  version = "1.7.1";
+  version = "1.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-o96SYel1Nbg7uGB7DaLH0DEmZQ+v6isniWV7Ipwkay4=";
+    sha256 = "1ca588a9f6ce6a323c5592f9635159c2093572826668a1022c75c75bdf0297cb";
   };
 
   checkInputs = [ glibcLocales ];