diff --git a/pkgs/development/python-modules/pymc/default.nix b/pkgs/development/python-modules/pymc/default.nix
index e773b843a894..519b7fe40d5e 100644
--- a/pkgs/development/python-modules/pymc/default.nix
+++ b/pkgs/development/python-modules/pymc/default.nix
@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "pymc";
-  version = "5.26.0";
+  version = "5.26.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pymc-devs";
     repo = "pymc";
     tag = "v${version}";
-    hash = "sha256-RN/7xO8aq8mWW2/48Ve1KTq3q1GWMZpMxv8w6yco/GE=";
+    hash = "sha256-j1v8MzAFfOmkN7pDcF91dS5Xprls8qfTQHWdaFUO4GU=";
   };
 
   build-system = [