diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm
index 1b7ae663eb..2e238dc198 100644
--- a/gnu/packages/python-science.scm
+++ b/gnu/packages/python-science.scm
@@ -868,7 +868,7 @@ (define-public python-xarray-einstats
 (define-public python-pytensor
   (package
     (name "python-pytensor")
-    (version "2.17.3")
+    (version "2.18.1")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -877,7 +877,7 @@ (define-public python-pytensor
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "1694apl8gjdrl6hrfly9yixmfimmmh51vacxmxx63nn4k5qnsgbg"))))
+                "0qa0y13xfm6w7ry7gp0lv84c8blyg34a9ns7ynwqyhf9majq08s5"))))
     (build-system pyproject-build-system)
     (arguments
      (list