1 files changed, 24 insertions, 18 deletions

diff --git a/gnu/packages/simulation.scm b/gnu/packages/simulation.scm
index efd307aea1b..bce285d72c5 100644
--- a/gnu/packages/simulation.scm
+++ b/gnu/packages/simulation.scm
@@ -603,26 +603,32 @@ the complexity of that interface.  Parallel support depends on the
 (define-public python-fenics-ufl
   (package
     (name "python-fenics-ufl")
-    (version "2025.1.0")
+    (version "2019.1.0")
     (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-              (url "https://github.com/fenics/ufl")
-              (commit version)))
-       (file-name (git-file-name name version))
-       (sha256 (base32 "1ybf6l2nn4ni4a77ad1f36nhd7ddcbbvyc5frdggsmcjdmds9bf3"))))
-    (build-system pyproject-build-system)
-    (inputs (list python-numpy))
-    (native-inputs (list python-pytest python-setuptools python-wheel))
-    (home-page "https://github.com/fenics/ufl")
+      (origin
+        (method url-fetch)
+        (uri (pypi-uri "fenics-ufl" version))
+        (sha256
+          (base32
+            "10dz8x3lm68x2w3kkqcjask38h0zkhhak26jdbkppr8g9y8wny7p"))))
+    (build-system python-build-system)
+    (inputs
+     (list python-numpy))
+    (native-inputs
+     (list python-pytest))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (replace 'check
+           (lambda _
+             (invoke "py.test" "test"))))))
+    (home-page "https://bitbucket.org/fenics-project/ufl/")
     (synopsis "Unified language for form-compilers")
-    (description
-     "The Unified Form Language (UFL) is a domain specific language for
-declaration of finite element discretizations of variational forms.  More
-precisely, it defines a flexible interface for choosing finite element spaces
-and defining expressions for weak forms in a notation close to mathematical
-notation.
+    (description "The Unified Form Language (UFL) is a domain specific
+language for declaration of finite element discretizations of
+variational forms.  More precisely, it defines a flexible interface
+for choosing finite element spaces and defining expressions for weak
+forms in a notation close to mathematical notation.
 
 UFL is part of the FEniCS Project.")
     (license license:lgpl3+)))