diff --git a/pkgs/development/python-modules/pymc3/default.nix b/pkgs/development/python-modules/pymc3/default.nix
index dfbfe90d2421..e322bb14f7ba 100644
--- a/pkgs/development/python-modules/pymc3/default.nix
+++ b/pkgs/development/python-modules/pymc3/default.nix
@@ -20,12 +20,12 @@
 
 buildPythonPackage rec {
   pname = "pymc3";
-  version = "3.9.3";
+  version = "3.11.2";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "abe046f5a5d0e5baee80b7c4bc0a4c218f61b517b62d77be4f89cf4784c27d78";
+    sha256 = "d3b93c8923ae8c8107c5adfd22f7c37fa0849a00a9723e0e0a0ca6afb582d6c3";
   };
 
   # No need for coverage stats in Nix builds